Question

find greatest 4 digit number exactly divisible by 40

Answer 1

greatest 4 digit number = 9999
on dividing 9999 by 40, we get the remainder 39
so, 9999 - 39 = 9960.
so, greatest 4 digit number exactly divisible by 40 is 9960.

Answer 2

Greatest 4 digit no. - 9999
Divide 9999 by 40 - Remainder = 39
Quotient = 249
∴ 40*249 = 9960
OR
9999 - 39 = 9960
So, largest 4 digit no. exactly divisible by 40 is 9960.