The Average Weight Of 8 Person Is Increased By 2.5 Kg When One Of Them Who Wait 56 Kg Is Replaced By New Man The Weight Of The New Man Is?

A. 76
B. 72
C. 78
D. None of these

Average Weight Of 8 Person Is Increased By 2.5 Kg

Total Weight Increased = 2.5 x 8 = 20kgs

Wait of Man how Replaced= 56kgs

New Man Weight= 56+20 = 76kgs