Question

Find which of the following numbers are divisible by 10:​
(i) $9990$

Answer 1

Step: Check if $9990$ is divisible by $10$​
Given number: $9990$
For a number to be divisible by $10$​, the unit’s digit must be $0$.​
Thus, the unit digit of $9990$ is $0$.​
Hence, $9990$ is divisible by $10$​.​