All Questions
Mathematics Class 8
263 of 263 questions (263 total across all chapters)
263
All Questions
73
Easy
130
Medium
60
Hard
📚 All Questions: Complete collection of all questions from every chapter in this subject.
Q1
easyIntroduction to Rational Numbers
Which of the following equations led to the need for rational numbers?
Q2
easyDefinition of Rational Numbers
A rational number is defined as a number that can be written in the form p/q where:
Q3
mediumClosure Property
Which number system is closed under all four basic operations (addition, subtraction, multiplication, division)?
Q4
mediumAddition of Rational Numbers
What is the result of 3/8 + (-5/7)?
Q5
easyCommutativity
Which property is demonstrated by: 2/3 × 4/5 = 4/5 × 2/3?
Q6
mediumNon-commutativity of Subtraction
Subtraction is NOT commutative for rational numbers. Which example proves this?
Q7
easyAssociativity
The associative property for addition states that:
Q8
easyAdditive Identity
What is the additive identity for rational numbers?
Q9
easyMultiplicative Identity
What is the multiplicative identity for rational numbers?
Q10
mediumDistributivity
The distributive property of multiplication over addition is written as:
Q11
hardMultiplication of Rational Numbers
Calculate: (-7/3) × (6/5) × (-14/9)
Q12
mediumAssociative Property Application
Which property allows us to compute (1/3 × 4/3) × 1/3 as 1/3 × (4/3 × 1/3)?
Q13
mediumClosure Property Analysis
Are whole numbers closed under subtraction?
Q14
mediumDistributive Property Application
Solve using distributivity: 7/5 × (3/12 - 5/12)
Q15
easyNumber System Comparison
What makes rational numbers different from integers?
Q16
easyAdditive Identity Application
If 2/5 + x = 2/5, what is the value of x?
Q17
hardEfficient Calculation Strategies
Calculate: 3/7 + 6/11 + 8/21 + 5/22 using properties efficiently
Q18
mediumDivision and Closure
Why are rational numbers NOT closed under division?
Q19
mediumProperty Combinations
Which operation is both commutative and associative for rational numbers?
Q20
hardComplex Multiplication
Evaluate: (-4/5) × (3/7) × (15/16) × (-14/9)
Q21
easyZero as Rational Number
Which statement about the number 0 is correct?
Q22
hardAdvanced Distributivity
Using distributivity, solve: 2/5 × 3/7 - 1/14 - 3/7 × 3/5
Q23
mediumNumber System Relationships
If a property holds for rational numbers, will it always hold for integers?
Q24
mediumPractical Applications of Properties
What is the main advantage of using properties like commutativity and associativity in calculations?
Q25
hardNeed for Rational Numbers
Why is the equation x/5 + 7 = 0 important in understanding rational numbers?
Q26
hardNumber System Completeness
Which number system is the smallest that contains solutions to all linear equations of the form ax + b = c?
Q27
mediumClosure Property Understanding
If a/b + c/d = (ad + bc)/(bd), which property ensures that the result is still a rational number?
Q28
hardDensity Property
When we say 'rational numbers are dense,' we mean:
Q29
mediumReal-world Applications
In real-world applications, why are rational numbers more useful than integers?
Q30
mediumReciprocals and Identity
What happens when we multiply a rational number by its reciprocal?
Q31
mediumMental Math Strategies
Which property is most useful for mental math calculations with rational numbers?
Q32
hardNew Operations and Properties
If we define a new operation * such that a * b = ab + a + b, is this operation commutative for rational numbers?
Q33
easyPractical Problem Solving
How do rational numbers help solve real-world division problems?
Q34
mediumMathematical Foundation
Why is understanding the properties of rational numbers important for advanced mathematics?
Q35
mediumSystem Completeness
What is the significance of rational numbers being closed under three of the four basic operations?
Q36
hardEquation Solving Applications
How does the concept of identity elements relate to solving equations?
Q37
easyMeasurement Applications
What role do rational numbers play in measurement and precision?
Q38
hardNumber System Hierarchy
How do the properties of rational numbers connect to the properties of real numbers?
Q39
mediumMathematical Literacy
What makes studying rational numbers essential for mathematical literacy?
Q40
hardMathematical Progression
How do rational numbers prepare students for understanding irrational numbers?
Q41
easyLinear Expressions
Which of the following is a linear expression in one variable?
Q42
easyEquation Structure
In the equation $3x - 7 = 2x + 5$, what is the LHS?
Q43
mediumBasic Equation Solving
Solve: $2x - 3 = x + 2$
Q44
mediumVariable Collection
What is the solution to $5x = 3x + 12$?
Q45
mediumTransposition
When transposing a term from one side of equation to another, we:
Q46
mediumVariable Collection
Solve: $7y - 2 = 4y + 13$
Q47
mediumFractions in Equations
To solve $\frac{x}{3} = \frac{x-2}{2}$, what should we multiply both sides by?
Q48
hardFractional Equations
Solve: $\frac{2x+1}{3} = \frac{x-1}{2}$
Q49
mediumBrackets in Equations
What is the first step in solving $2(x-3) = 3(x+1)$?
Q50
mediumBracket Expansion
Solve: $3(x-2) = 2(x+1)$
Q51
mediumLinear Equation Identification
Which of the following is NOT a linear equation in one variable?
Q52
hardFinding Coefficients
If $x = 3$ is the solution to $ax + 5 = 2x + 11$, what is the value of $a$?
Q53
hardComplex Fractions
Solve: $\frac{3x-1}{4} = \frac{2x+3}{5}$
Q54
mediumSolution Methods
When we solve $2x - 5 = x + 3$, what operation transforms it to $x = 8$?
Q55
mediumFinding Expressions
If $3x + 7 = 4x - 2$, what is the value of $2x$?
Q56
hardComplex Brackets
Solve: $5(x-1) - 3(x+2) = 2$
Q57
mediumLCM Calculation
What is the LCM of denominators in $\frac{x}{6} + \frac{x-1}{4} = \frac{2x+1}{3}$?
Q58
easySimple Fractions
If $\frac{2x-1}{3} = 5$, what is the value of $x$?
Q59
hardMulti-bracket Equations
Solve: $2x + 3(x-1) = 4(x+2) - 1$
Q60
mediumMathematical Properties
What property allows us to write $a = b$ as $a + c = b + c$?
Q61
hardFraction Subtraction
Solve: $\frac{x+1}{2} - \frac{x-1}{3} = 1$
Q62
easyEquation Balance
In solving equations, what does 'maintaining balance' mean?
Q63
mediumStandard Solving
Solve: $4x - 7 = 2x + 11$
Q64
mediumExpression Evaluation
If $5x - 2 = 3x + 8$, what is the value of $x + 3$?
Q65
hardCross Multiplication
Solve: $\frac{3x}{4} = \frac{2x-1}{3}$
Q66
mediumFraction Elimination
What is the main advantage of clearing fractions in an equation?
Q67
mediumNegative Brackets
Solve: $6x - (2x + 5) = 3x - 8$
Q68
hardGeneral Form Solution
In the equation $ax + b = cx + d$, the solution is:
Q69
mediumAdding Fractions
Solve: $\frac{x}{2} + \frac{x}{3} = 10$
Q70
easySolution Strategy
Which step would you take first to solve $3(2x-1) = 2(x+4)$?
Q71
mediumMixed Brackets
Solve: $2(x+3) - 3(x-1) = 7$
Q72
hardCross Multiplication
What is the solution to $\frac{2x+3}{5} = \frac{x-2}{2}$?
Q73
mediumFinding Parameters
If $x = -2$ is a solution to $3x + a = x - 4$, what is the value of $a$?
Q74
mediumBracket Distribution
Solve: $4x - 3(x-2) = 2x + 1$
Q75
easyFundamental Principle
What is the key principle when solving linear equations?
Q76
mediumStandard Form
Solve: $5x + 2 = 3x - 8$
Q77
mediumFraction Clearing
In solving $\frac{x-1}{4} = \frac{x+3}{6}$, after clearing fractions we get:
Q78
easyBasic Collection
Solve: $7x - 4 = 3x + 12$
Q79
easySolution Verification
What does it mean to 'verify' a solution?
Q80
hardMultiple Fractions
Solve: $\frac{2x-1}{3} + \frac{x+2}{2} = 4$
Q81
hardParameter Finding
The equation $px + 5 = qx + 3$ has solution $x = 2$. If $p = 4$, what is $q$?
Q82
easyStandard Solving
Solve: $8x - 5 = 3x + 20$
Q83
mediumCoefficient Identification
In the equation $3x - 2 = 5x + 4$, what is the coefficient of $x$ after collecting like terms?
Q84
hardComplex Mixed Fractions
Solve: $\frac{3x+1}{2} = \frac{2x-1}{3} + 1$
Q85
mediumEfficient Methods
What is the most efficient first step in solving $12x + 8 = 4x + 32$?
Q86
mediumSolution Properties
Linear equations in one variable always have:
Q87
easyExterior Angles
What is the sum of all exterior angles of any polygon?
Q88
mediumRegular Polygons
A regular polygon has each exterior angle measuring 40°. How many sides does it have?
Q89
mediumParallelogram Properties
Which of the following is NOT a property of a parallelogram?
Q90
easyParallelogram Angles
In a parallelogram ABCD, if ∠A = 70°, what is the measure of ∠C?
Q91
mediumRegular Polygon Angles
What is the measure of each interior angle of a regular hexagon?
Q92
easyQuadrilateral Classification
Which quadrilateral has exactly one pair of parallel sides?
Q93
mediumRhombus Properties
In a rhombus, the diagonals are:
Q94
easyShape Relationships
A rectangle is a special case of:
Q95
easyParallelogram Calculations
In parallelogram PQRS, if PQ = 8 cm and QR = 5 cm, what is the perimeter?
Q96
mediumKite Properties
Which statement about a kite is TRUE?
Q97
hardRegular Polygon Calculation
If each interior angle of a regular polygon is 135°, how many sides does it have?
Q98
easyRectangle Properties
In rectangle ABCD, if diagonal AC = 10 cm, what is the length of diagonal BD?
Q99
mediumSquare Properties
Which quadrilateral has all the properties of both a rectangle and a rhombus?
Q100
mediumParallelogram Angle Properties
In parallelogram WXYZ, ∠W = 110°. What is ∠X?
Q101
mediumPolygon Classification
What is the difference between a convex and concave polygon?
Q102
mediumRegular Polygon Sides
How many sides does a regular polygon have if each exterior angle is 24°?
Q103
mediumRhombus Angles
In rhombus ABCD, if one angle is 60°, what are the measures of the other angles?
Q104
easyUniversal Properties
Which property is true for ALL parallelograms?
Q105
hardSquare Calculations
In square PQRS, if the length of diagonal PR is 8√2 cm, what is the side length?
Q106
hardDiagonal Properties
What type of quadrilateral has perpendicular diagonals that bisect each other?
Q107
mediumShape Identification
If a quadrilateral has all sides equal but angles are not all equal, it is a:
Q108
easyAngle Relationships
The sum of two adjacent angles in a parallelogram is:
Q109
hardKite Angle Properties
In a kite ABCD where AB = AD and CB = CD, which angles are equal?
Q110
easyPolygon Basics
What is the minimum number of sides a polygon can have?
Q111
easyRectangle Diagonal Properties
In rectangle ABCD, diagonals AC and BD intersect at O. If AC = 12 cm, what is AO?
Q112
hardRegular Polygon Properties
Which statement about regular polygons is FALSE?
Q113
easyInterior-Exterior Angle Relationship
If the exterior angle of a regular polygon is 30°, what is each interior angle?
Q114
mediumCombined Properties
What type of parallelogram has diagonals that are both equal and perpendicular?
Q115
mediumTrapezium Properties
In trapezium ABCD, if AB || CD, which angles are supplementary?
Q116
easyQuadrilateral Basics
How many diagonals does a quadrilateral have?
Q117
mediumRhombus Angle Calculation
If one angle of a rhombus is 80°, what is the measure of the adjacent angle?
Q118
hardSymmetry Properties
Which quadrilateral can have exactly one line of symmetry?
Q119
easyInterior Angle Sum
What is the sum of interior angles of a quadrilateral?
Q120
easyDiagonal Bisection
In parallelogram ABCD, if diagonals intersect at O and AO = 5 cm, what is AC?
Q121
mediumRegular Polygon Characteristics
Which is NOT a characteristic of a regular polygon?
Q122
hardRatio Problems
If ABCD is a parallelogram and ∠A : ∠B = 2 : 3, find ∠A.
Q123
mediumRegular Octagon
What is the measure of each exterior angle of a regular octagon?
Q124
mediumSquare Diagonal Formula
In a square with side length 6 cm, what is the length of each diagonal?
Q125
hardAngle Relationships
Which quadrilateral has opposite angles that are supplementary?
Q126
mediumMinimum Angle
What is the minimum interior angle possible for a regular polygon?
Q127
mediumDiagonal Properties Comparison
In which quadrilateral do the diagonals NOT bisect each other?
Q128
easy12-sided Polygon
If a polygon has 12 sides, what is the measure of each exterior angle if it's regular?
Q129
mediumIsosceles Trapezium
Which statement is true for isosceles trapezium?
Q130
easyShape Hierarchy
What is the relationship between a rhombus and a parallelogram?
Q131
hardKite Diagonal Comparison
In kite ABCD with AB = AD = 5 cm and BC = CD = 8 cm, which diagonal is longer?
Q132
mediumRectangle Symmetry
How many lines of symmetry does a rectangle (that is not a square) have?
Q133
easyPie Chart Angles
In a pie chart, if a sector represents 25% of the data, what is its central angle?
Q134
easyBasic Probability
When a fair coin is tossed, what is the probability of getting a head?
Q135
mediumGraph Selection
Which type of graph is most suitable for showing the distribution of students' favorite subjects?
Q136
mediumProbability with Objects
A bag contains 3 red balls and 2 blue balls. What is the probability of drawing a red ball?
Q137
mediumPie Chart Interpretation
In a pie chart showing monthly expenses, if food takes up 120°, what percentage of the budget is spent on food?
Q138
easyDice Probability
When a standard die is rolled, what is the probability of getting an even number?
Q139
easyCircle Properties
What is the sum of all central angles in a pie chart?
Q140
easySpinner Probability
A spinner has 4 equal sectors colored red, blue, green, and yellow. What is the probability of landing on blue?
Q141
mediumGraph Applications
Which graph type is best for showing changes in temperature over a week?
Q142
mediumComplementary Probability
In a bag with 5 white balls and 3 black balls, what is the probability of NOT drawing a black ball?
Q143
mediumPie Chart Construction
If 30 students prefer cricket, 20 prefer football, and 10 prefer basketball, what angle would cricket occupy in a pie chart?
Q144
easyDice Events
What is the probability of getting a number greater than 4 when rolling a standard die?
Q145
mediumProbability Concepts
Which statement about equally likely outcomes is TRUE?
Q146
easyPictograph Reading
In a pictograph, if 🚗 = 50 cars and there are 2.5 symbols for March, how many cars were sold in March?
Q147
mediumRandom Experiments
A random experiment is one where:
Q148
mediumPrime Number Probability
What is the probability of getting a prime number when rolling a standard die?
Q149
easyDouble Bar Graphs
In a double bar graph, what is the main advantage?
Q150
mediumAngle to Fraction
If a pie chart sector has a central angle of 72°, what fraction of the whole does it represent?
Q151
easyCoin Probability
What is the probability of getting a tail when flipping a fair coin?
Q152
mediumData Representation
Which type of data is best represented by a pie chart?
Q153
easyMultiple Representation
A box contains 12 balls: 4 red, 3 blue, 3 green, and 2 yellow. What is the probability of drawing a blue ball?
Q154
mediumProbability Terminology
What is the difference between an outcome and an event?
Q155
hardGraph Selection Strategy
In which situation would you use a bar graph instead of a pie chart?
Q156
easyImpossible Events
What is the probability of rolling a 7 on a standard 6-sided die?
Q157
hardExperimental vs Theoretical
If you conduct a coin toss experiment 100 times and get 60 heads, what can you conclude?
Q158
mediumAngle Calculation
In a pie chart showing favorite colors, if red occupies 90°, blue occupies 120°, and green occupies 150°, what angle does yellow occupy?
Q159
mediumData Organization
What is the main purpose of organizing data systematically?
Q160
mediumCombined Events
A bag contains 6 marbles: 2 red, 3 blue, and 1 green. What is the probability of drawing either a red or blue marble?
Q161
easyBar Graph Properties
Which property makes bar graphs useful for data comparison?
Q162
hardTheoretical vs Expected
What is the theoretical probability of getting exactly 50 heads in 100 coin tosses?
Q163
easyPie Chart Construction
In constructing a pie chart, what is the first step?
Q164
mediumProbability Interpretation
A weather forecast says there's a 70% chance of rain. What does this mean?
Q165
mediumGraph Advantages
Why might a pictograph be preferred over a bar graph?
Q166
mediumMultiple Event Outcomes
When rolling two dice, what is the total number of possible outcomes?
Q167
mediumPie Chart Characteristics
What makes a pie chart different from other types of graphs?
Q168
easyProbability Values
If an event has a probability of 0, it means:
Q169
mediumProbability Axioms
What is the sum of probabilities of all possible outcomes in any experiment?
Q170
easyLine Graph Applications
When is it appropriate to use a line graph?
Q171
easyCard Probability
A card is drawn from a standard 52-card deck. What is the probability of drawing an ace?
Q172
easyGraph Components
What information should always be included when creating any graph?
Q173
hardStatistical Concepts
How does sample size affect the reliability of experimental probability?
Q174
easyPerfect Square Recognition
Which of the following numbers is a perfect square?
Q175
easyBasic Squares
What is the value of $7^2$?
Q176
mediumUnits Digit Pattern
Which digit can never appear at the units place of a perfect square?
Q177
mediumAlgebraic Method
Find the square of 23 using the identity $(a + b)^2 = a^2 + 2ab + b^2$.
Q178
mediumSpecial Pattern
What is $35^2$ using the pattern for numbers ending in 5?
Q179
easyBasic Square Roots
What is $\sqrt{81}$?
Q180
mediumPythagorean Triplets
Which of the following is a Pythagorean triplet?
Q181
easyOdd Number Sum Pattern
The sum of first 4 odd numbers is:
Q182
mediumSquare Range Analysis
How many perfect squares lie between 100 and 200?
Q183
hardPrime Factorization Method
Using prime factorization, find $\sqrt{324}$.
Q184
hardPerfect Square Adjustment
Which number should be subtracted from 1000 to make it a perfect square?
Q185
easySquare Root Definition
If $\sqrt{n} = 12$, what is the value of $n$?
Q186
mediumDecimal Square Roots
The square root of 0.64 is:
Q187
mediumZero Patterns
Which of the following numbers has an even number of zeros?
Q188
mediumRepeated Subtraction
Using the repeated subtraction method, how many steps are needed to find $\sqrt{49}$?
Q189
hardTriplet Generation
Generate a Pythagorean triplet using $m = 4$ in the formula $(2m, m^2 - 1, m^2 + 1)$.
Q190
easyGeometric Application
What is the side length of a square whose area is 196 square units?
Q191
mediumSquare Root Estimation
Between which two consecutive integers does $\sqrt{50}$ lie?
Q192
easyReal-world Application
If a gardener wants to arrange 144 plants in a square formation, how many plants will be in each row?
Q193
mediumDifference of Squares
What is $(15)^2 - (14)^2$?
Q194
mediumNumbers Between Squares
How many non-square numbers lie between $8^2$ and $9^2$?
Q195
hardIrrational Square Roots
Which of the following is true about the square root of an irrational number?
Q196
mediumLarge Number Squares
Find the square of 102 using $(a + b)^2$ identity.
Q197
hardPythagorean Theorem
In a right triangle, if two sides are 5 and 12, what is the third side?
Q198
hardPerfect Square Divisibility
What is the smallest perfect square that is divisible by 2, 3, and 5?
Q199
mediumMethod Selection
Which method is most efficient for finding $\sqrt{1296}$?
Q200
mediumPerfect Square Recognition
If $n^2 = 2025$, what is the value of $n$?
Q201
mediumConstruction Application
A construction worker needs to check if a corner is perfectly square. If two adjacent sides are 3m and 4m, what should the diagonal measure?
Q202
hardPowers and Roots
Express 1024 as a power of 2 and find its square root.
Q203
mediumSquare Properties
Which of the following statements about square numbers is FALSE?
Q204
hardPractical Problem
If the area of a square field is 6400 square meters, what is the cost of fencing it at ₹25 per meter?
Q205
mediumFraction Square Roots
What is the value of $\sqrt{\frac{16}{25}}$?
Q206
hardTriangular Number Pattern
Using triangular numbers, what is $6^2$?
Q207
hardRange Analysis
What is the square root of the largest 4-digit perfect square?
Q208
easyDecimal Operations
If $\sqrt{a} = 0.7$, what is the value of $a$?
Q209
mediumFactorization Application
In how many ways can 36 identical square tiles be arranged to form a rectangle?
Q210
easySquare Sequence
What is the next perfect square after 289?
Q211
hardAlgebraic Application
A farmer has a square plot of land. If he increases each side by 10 meters, the area increases by 1000 square meters. What was the original side length?
Q212
mediumApproximation
Which of the following is closest to $\sqrt{150}$?
Q213
mediumSubtraction Identity
Using the identity $(a - b)^2 = a^2 - 2ab + b^2$, find $97^2$.
Q214
easyGeometric Calculation
If the perimeter of a square is 48 cm, what is its area?
Q215
mediumPerfect Square Completion
What is the smallest number that must be added to 1000 to make it a perfect square?
Q216
mediumVerification Methods
Which property helps verify that 1369 is a perfect square?
Q217
mediumSpecial Right Triangle
In an isosceles right triangle with legs of length 8, what is the length of the hypotenuse?
Q218
hardDigital Root Pattern
What is the digital root pattern for perfect squares?
Q219
hardAdvanced Number Theory
If a number is both a perfect square and a perfect cube, what can we say about it?
Q220
easyHardy-Ramanujan Number
What is the Hardy-Ramanujan number?
Q221
easyBasic Cubes
What is $5^3$?
Q222
easyPerfect Cube Recognition
Which of the following numbers is a perfect cube?
Q223
mediumUnits Digit Pattern
What is the units digit of $7^3$?
Q224
mediumHardy-Ramanujan Applications
Express 1729 as a sum of two cubes in a different way than $1^3 + 12^3$.
Q225
easyBasic Cube Roots
What is $\sqrt[3]{64}$?
Q226
mediumCube Range Analysis
How many perfect cubes are there between 1 and 1000?
Q227
mediumUnits Digit Pattern
If a number ends in 2, what will its cube end in?
Q228
hardPrime Factorization Method
Using prime factorization, find $\sqrt[3]{8000}$.
Q229
mediumOdd Number Sum Pattern
What is the sum of the first 3 odd numbers using the cube pattern?
Q230
mediumPerfect Cube Testing
Is 243 a perfect cube?
Q231
hardCreating Perfect Cubes
What is the smallest number by which 392 must be multiplied to make it a perfect cube?
Q232
easyNegative Number Cubes
What is $(-3)^3$?
Q233
mediumVolume Applications
How many cubes of side 1 cm are needed to make a cube of side 4 cm?
Q234
hardOdd Number Pattern
Using the consecutive odd number pattern, what odd numbers sum to $4^3$?
Q235
mediumNegative Cube Roots
What is $\sqrt[3]{-27}$?
Q236
easyGeometric Application
If the volume of a cube is 343 cm³, what is the length of its side?
Q237
mediumCreating Perfect Cubes
By what smallest number should 81 be divided to make it a perfect cube?
Q238
easyCube Root Definition
What is the cube of a number if its cube root is 15?
Q239
mediumCube Properties
Which statement about cubes is TRUE?
Q240
hardPrime Factorization Method
Find $\sqrt[3]{13824}$ using prime factorization.
Q241
hardHardy-Ramanujan Numbers
What is the next Hardy-Ramanujan number after 1729?
Q242
mediumCube Range Analysis
How many perfect cubes are there between 100 and 1000?
Q243
mediumUnits Digit Pattern
What is the units digit of $23^3$?
Q244
mediumVolume Scaling
A cube has volume 1000 cm³. If each dimension is doubled, what is the new volume?
Q245
mediumCube Differences
Using pattern, what is $6^3 - 5^3$?
Q246
hardDecimal Cube Roots
What is $\sqrt[3]{0.008}$?
Q247
hardCreating Perfect Cubes
Which number should be multiplied to 500 to make it a perfect cube?
Q248
hardGeometric Application
In a cube, if the surface area is 294 cm², what is the volume?
Q249
hardRange Analysis
What is the cube root of the largest 4-digit perfect cube?
Q250
mediumCube Root Estimation
Between which two consecutive integers does $\sqrt[3]{100}$ lie?
Q251
easyBasic Cube Roots
If $a^3 = 216$, what is $a$?
Q252
mediumCube Patterns
What pattern do perfect cubes ending in 000 follow?
Q253
mediumVolume Packing
How many small cubes of edge 2 cm can fit in a large cube of edge 8 cm?
Q254
hardSum Pattern Application
Using the sum pattern, which consecutive odd numbers sum to $5^3$?
Q255
mediumPerfect Cube Ordering
What is the smallest perfect cube greater than 500?
Q256
mediumCube Root Calculation
If $n^3 = 2197$, what is $n$?
Q257
easyNegative Cubes
What is the cube of -4?
Q258
mediumPrime Factorization Analysis
By prime factorization, is 1000 a perfect cube?
Q259
mediumSign Properties
What is the relationship between $n^3$ and $(-n)^3$?
Q260
hardPractical Application
If a cuboid has dimensions 5 cm × 2 cm × 5 cm, how many such cuboids are needed to form a cube?
Q261
easyMathematical Notation
Which of the following represents the cube root symbol correctly?
Q262
mediumSum of Cubes
What is the sum $1 + 8 + 27 + 64 + 125$?
Q263
mediumDecimal Cubes
The cube root of which number is 2.5?