Q8
In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?
A.
70 kg
B.
66 kg
C.
68 kg
AnswerD.
69 kg
Answer: Option C
Solution
Answer: Option C
Solution:
Member in group × age increased = difference of replacementOr, 8 × 1 = new comer - man going out
Or, new comer = 8 + 60
Or, new comer = 68 kg.