Mathematical Intelligence Interview Question:

Which number should replace the question mark?

17 8 5 5
13 7 5 4
6 12 6 3
10 6 4 ?

A. 4
B. 5
C. 6
D. 7

Submitted by: Administrator

Correct answer: A

(For each row the sum of the first two columns is equal to the multiple of the last two columns)
Submitted by: Administrator