11. A can do a piece of work in 10 days and B can do it in 15 days. How long will
they take if they work together?
(a) 7 days
(b) 6 days (c) 8 days (d) 5 days
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Answers
Answered by
1
Answer:
Correct option is
D
6 days
Work done by A in 1 day =
Work done by B in 1 day=
Work done by A and B in 1 day=
Working together they will complete the work in
=6 days
Step-by-step explanation:
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