Question

11 + 11 = 4
12 + 12 =9
13 + 13 = ?

Answer 1

Answer is 16

Explanation :-

( 1 + 1)× (1 +1) = 2 × 2 = 4

(1 +2)× ( 1 + 2) = 3 × 3 = 9

( 1 + 3) × ( 1 + 3) = 4 × 4 = 16

Answer 2

11+11=4
12+12=9
13+13=16