Question

In a two digit number the digit in the tens place is greater by 7 than the units place. of the digits added and the sum squared the original number comes

Answer 1

lets first write down numbers which follow digit in the tens place is greater by 7 than the units place

70

81

92

now test "of the digits added and the sum squared the original number comes" on each of these number

(7+0)^2 = 49 which is not 70 so cut 70 out

(8+1)^2 = 81 which is 81, and thats your correct answer