Question

IQ Test
1 5 6 3
4 ? 1 2
9 1 2 3
1 1 6 7
Give step by step answer​

Answer 1

Answer:

2

Step-by-step explanation:

1+5+6+3 = 15

9+1+2+3 = 15

1+1+6+7 = 15

Similarly,

4+8+1+2 = 15