Q.1: The cube of 4 is _________.
Q.2: Which of the following is the smallest Hardy-Ramanujan number ?
Q.3: The smallest number by which 135 must be divided, in order to get a perfect cube is ____________.
Q.4: Numbers obtained when a number is multiplied by itself three times is known as ________ numbers.
Q.5: Is 243 a perfect cube ?
c) Can’t say
Q.6: Which is the smallest three-digit perfect cube number ?
Q.7: What will be the unit digit of a number having ‘3’ at its ones place ?
Q.8: 729 is the cube of _____.
Q.9: Which of the following is true for any natural number ?
a) square of ‘a’ is greater than cube of ‘a’
b) square of ‘a’ is lesser than cube of ‘a’
c) square of ‘a’ is equal to cube of ‘a’
Q.10: What is the volume of a cube whose edge is 5 cm ?
Q.11: How many zeroes will be there in the cube of 40 ?
Q.12: Which of the following smallest number has to be multiplied with 675 in order to get a perfect cube ?
Q.13: The cube root of 0.027 is _________
Q.14: The one’s digit of the cube of 888 is _________.
Q.15: Each prime factor appears ________ times in its cubes.
Q.16: The smallest number which has to be multiplied with 392 in order to get a perfect cube is __________.
Q.17: The cube of even numbers is always _________.
Q.18: The cube of 11 is __________.
Q.19: Figures which have three-dimensions are called _______ figures.
Q.20: Check whether 27000000 is a perfect cube or not ?
a) Yes, it is a perfect cube
b) No, it is not a perfect cube
c) Can’t say