Question

Question 48

Fill in the blanks to make the statements true.

Cube of a number ending in 7 will end in the digit ___

Answer 1

3
We know that the cubes of the numbers ending in digits 3 or 7 ends in digits 7 or 3 respectively.
i.e. $7\times 7\times 7=343$
Hence, the cube of a number ending in 7 will end in the digit 3.