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Time and Work
A can do a piece of work in 15 days and B can do it in 16 days and C can do it 24 days. They started the work together and A leaves after 3 days and B leaves after 4 days from the beginning. How long will work lost ?
10 2/3 days
13 1/5 days
12 2/3 days
11 5/7 days
Correct Answer:
13 1/5 days
Explanation:
3/15 + 4/16 + x/24 = 1
⇒
x
=
13
1
5
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