1. 

Change symbol and solve accordingly to find correct answer from the alternatives given below:
9 x 8 x 7 = 24, 4 x 7 x3 = 14, 2 x 1 x 9 = ?
A. 12
B. 10
C. 18
D. 11

Answer: Option A

Explanation:

As,            9 + 8 + 7 = 24

and           4 + 7 + 3 = 14

Similarly,   2 + 1 + 9 = 12

Note Here, sign of 'x' is converted into '+'.