Question

test the divisiblity of the following by 5
a) 990 ​

Answer 1

Answer:

when last digit of any number is 0 and 5 then it is divisible by 5.

Last digit of 990 is zero so it is divisible by 5.

Answer 2

according to divisibility  test of 5 is if in one's place there should be 5 or 0.

so , in 990 0 is there in one's place; so, it is divisible with 5