A contractor decided to complete a work in 80 days and employed 60 men at the beginning and 20 men additionally after 20 days and got the work completed as per schedule. If he had not employed, the additional men, how many extra days would he have needed to complete the work (round off to the nearest integer)?
A. 32 days
B. 20 days
C. 30 days
D. 26 days
Answer: Option B
Solution (By Examveda Team)
Total work = 80 × 60 + 60 × 20= 4800 + 1200
= 6000
60 men × d = 6000
d = 100 days
Extra days = 100 - 80 = 20 days
This Question Belongs to Arithmetic Ability >> Time And Work
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