Campus Maths Puzzle Numerical Ability

find The value
5-4=23
8-1=63
6-16=32
9-9=78
3-9=6
3-81=??

Read Solution (Total 6)

Campus Other Question

if x is divided by 13 the remainder is 12 .find the remainder if x^13 is divided by 13 1, 11, 121, 1211, 1231, 131221, 132231