Question

In a number 573xy divisible by 90 then what is xy

Answer 1

in this problem we use division of 90

sum of number digit is divisible by 9 and unit digit is always 0

5 + 7 + 3 + X + Y

= 5 + 7 + 3 + X + 0 =

= 15 + X = 18

X = 18 - 15 = 3

then the number is

57330 is divisible by 90