Amar and vijay together can do a piece of work in 10 days , but Amar alone can do it in 15 days . How many days would Vijay alone take to do same work ?
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6
Amar alone - 15 days
1 day - 1/15 of work
Both together - 10 days
1 day - 1/10 of the work
Vijay alone - (1/10 - 1/15)^-1
= (5/150)^-1
= 30 days
(Answer by @whydoyoucare
Answered by
3
Answer:
30days
amar can do work 1/10 days
vijay can do work in 1/15 days
1/10+x=1/15
x=1/30
30days
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