RRB Assistant Loco Pilot and Technician Model Paper 3 with solutions

Question : 19 of 100

Marks: +1, -0

The average weight of 12 crewmen in a boat is increased by

1/ 3

kg, when one of the crewmen whose weight is 55 kg is replaced by a new man. What is the weight of that new men?

Solution:

(d) Short-cut method:
Weight of new crewmen
= Replace man weight + [No. of crew men × increased average]
= 55 + 12 ×

1/3

= 59 kg

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