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siddharthkadam3018:
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Answered by
0
Answer:
Step-by-step explanation:
John takes 10 days to complete one work
Therefore in one day he completes 1/10
Charlie takes 15 days
Hence one day he completes 1/15
Hence
When both work together for one day the work completed is
1/10 + 1/15
= (15 + 10)/10×15
=25/150
=1/6
Implies they take 6 days
Answered by
0
Answer:
Option(A)
Step-by-step explanation:
(i)
John can do a piece of work in 10 days.
Amount of work-done by John in 1-day = (1/10).
(ii)
Charles can finish a work in 15 days.
Amount of work done by Charles in 1-day = (1/15).
(iii)
Total work done by (John + Charles) in 1-day = (1/10) + (1/15)
= (3 + 2)/30
= 5/30
= 1/6.
Therefore, they will finish the work in 6 days.
Hope it helps!
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