1.  35 + 15 x 1.5 = ?
A. 75
B. 51.5
C. 57.5
D. 5.25
E. None of these

Answer: Option C

Explanation:

Given Exp. = 35 + 15 x3  = 35 +45  
22
= 35 + 22.5   = 57.5