A can finish a work in 10 days and b does the same work in 15 days. In how many days they will do the same work together
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A finishes the work in 10 days. B finishes the same work in 15 days. Together they can finish in how many days?
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Sanghamitra Barve
Answered Mar 2, 2017
Explanations :- A's 1 day work = 1/10
B’s 1 day work = 1/15
So taken together A and B, both of them complete work in 1 day.
(A + B)'s 1 day work = 1/10 +1/15
= 3+2/30 ( take the l.c.m of 10 & 15)
=5/30
=1/6
So, Number of days they take to finish work together = 1/6 = 6 days
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73 ANSWERS

Sanghamitra Barve
Answered Mar 2, 2017
Explanations :- A's 1 day work = 1/10
B’s 1 day work = 1/15
So taken together A and B, both of them complete work in 1 day.
(A + B)'s 1 day work = 1/10 +1/15
= 3+2/30 ( take the l.c.m of 10 & 15)
=5/30
=1/6
So, Number of days they take to finish work together = 1/6 = 6 days
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