Q7
Find the missing number.
Find the missing number.


A.
5
AnswerB.
21
C.
9
D.
10
Answer: Option A
Solution
Answer: Option A
Solution:
Second Row, 2*9 + 3*17 = 69.Third Row, 2*13 + 3*11 = 59.
Let missing number be x,
2x + 3*13 = 49.
or, x = 5.