CBSE Class 8 cubesandcuberoots — practice questions
25 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 8 cubesandcuberoots in the app →A natural number n is called a perfect cube if it can be expressed as:Which of the following is a perfect cube?The cube of an EVEN number is always:How many perfect cubes are there from 1 to 1000 (both included)?The cube root of 343 is:What is the cube of 12?Which of the following numbers is NOT a perfect cube?The units (one's) digit of (78)³ is:Sum of the consecutive odd numbers needed to obtain 5³ = 125 is:How many digits will the cube of a 1-digit number have AT MOST?For the cube of 11, the value is:By prime factorisation, the cube root of 27000 is:The smallest natural number by which 392 must be MULTIPLIED to make it a perfect cube is:The smallest natural number by which 53240 must be DIVIDED to make the quotient a perfect cube is:Hardy-Ramanujan number 1729 is famous because it is the smallest positive integer expressible as the sum of twHow many digits at MAXIMUM can the cube of a 2-digit number have?A cuboid of plasticine has sides 5 cm, 2 cm and 5 cm. The MINIMUM number of such cuboids needed to form a perfCompute 25³ − 24³ using the pattern (n+1)³ − n³ = 1 + 3·n·(n+1):Compute ∛13824 by prime factorisation.Is 1188 a perfect cube? If not, the smallest natural number by which 1188 must be DIVIDED to make the quotientA child stacks unit cubes (side 1 cm) to make a larger cube of side 4 cm. The number of unit cubes used is:Which of the following statements is TRUE?Find ∛(0.064).The cube of which number among the following is a 7-digit number?Find the smallest perfect cube that is divisible by both 8 and 27.