Question

5721(63) reasioning​

Answer 1

is 23 the answer..........

Answer 2

5+7+2+1 = 15

Now 1+5 = 6

Now 6 ^2 = 36

36 reverse = 63

4+3+2+1 = 10

Now 1+0 = 1

Now 1^2 = 1

1 reverse =1 = answer