Question

What are the digits which are the same ending digits for a perfect cube number and also for its cube root respectively?  a)1,2,3,4,6 b)1,3,4,7,9 c)1,4,5,6,9 d)1,2,4,7,9​

Answer 1

Answer:

A natural number is called a perfect square if it is the square of

some natural number.

i.e., if m = n2, then m is a perfect square where m and n are natural

numbers.

• A natural number is called a perfect cube if it is the cube of some

natural number.

i.e., if m = n3, then m is a perfect cube where m and n are natural

numbers.

• Number obtained when a number is multiplied by itself is called

the square of the number.

• Number obtained when a number is multiplied by itself three times

are called cube number cube number.

• Squares and cubes of even numbers are even.

• Squares and cubes of odd numbers are odd.

• A perfect square can always be expressed as the product of pairs of

prime factors.

• A perfect cube can always be expressed as the product of triplets

of prime factor