The sum of 3 consecutive odd numbers is 57. The middle one is -
A
19
B
21
C
23
D
17
Correct Answer: 19
x , x + 2 , x + 4 x + x + 2 + x + 4 = 57 3x = 51 x = 17 The middle number = x + 2 = 17 + 2 = 19