Question

Is there any technique to solve such kind of mental ability questions? Pls

Answer 1

Answer:

see as we can see

1 )

4 + 4 = 8

8 + 2 = 10

for 2 )

9 - 4 = 5

5 - 2 = 3

for 3 )

20 - 6 = 14

so answer can be

17 or 11