The average weight of 3 young men is 53 kg. No one of them weight less than 51 kg. What is the maximum weight of any one man ?
A
53
B
55
C
57
D
59
Correct Answer: 57
(51 + 51 + x)/3 = 53 = > 51 + 51 + x = 159 = > 102 + x = 159 = > x = 159 - 102 x = 57