57. If A in 3 days can do as much work as B in 4
days and B in 5 days can do as much as C in 6
days, how long will required to do a piece of
work which C can do in 167 days?
a. 15
b. 10
c. 5
d. 20
Answers
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0
Answer:
10 10 10 10 10 10 10 101 10 10
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