25 persons can complete a work in 60 days. They started the work. 10 persons left the work after x days. If the whole work was completed in 80 days, then what is the value of x?
A. 8
B. 15
C. 30
D. 9
Answer: Option C
Solution (By Examveda Team)
Total work = 25 × 60 = 1500x × 25 + (80 - x) × 15 = 1500
25x - 15x + 1200 = 1500
10x = 300
x = 30
This Question Belongs to Arithmetic Ability >> Time And Work
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