Question
Find the missing number?

A. 17
B. 22
C. 20
D. 18
Answer: C
Solution:
The pattern is:
=> (65 + 25) – (33 + 25) = 32,
=> (32 + 9) – (15 + 6) = 20
So, missing number = (18 + 20) – (13 + 5) = 20
Find the missing number?
A. 17
B. 22
C. 20
D. 18
Answer: C
Solution:
The pattern is:
=> (65 + 25) – (33 + 25) = 32,
=> (32 + 9) – (15 + 6) = 20
So, missing number = (18 + 20) – (13 + 5) = 20