Vijay can do a certain work in 16 days. Subham is 60% more efficient than Viajy. How many days dose

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08 Jan 2021 Time and Work

Vijay can do a certain work in 16 days. Subham is 60% more efficient than Viajy. How many days dose Subham alone take to do the same work?

OPtion

1) 12 days
2) 11 days
3) 14 days
4) 9.5 days
5) 13 days
6) 10 days
7) 15 days
8) 8 days
9) 16 days
10) None of the above

Solution

Ratio of time taken by Vijay and Subham = 160 : 100 = 8 : 5
Suppose Subham alone takes x days to the work = 8 : 5 : : 16 : x
= > 8x = 80
x = 80/8 = 10 days

Correct Option: 6 Best Solution (2)