Abhishek can do a piece of work in 40 days. He alone worked at it for 8 days and then Bacchhan completed alone the rest work in 24 days. In how many days they will complete the whole work, working together?
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Answer:
17 and 1/7 days
Step-by-step explanation:
No. of days Abhishek took to complete the work = 40 days.
His 1 day work = 1/40
therefore, work done by him in 8 days = 1/40 * 8
= 8/40 = 1/5.
Work left = 1 - 1/5
= 4/5
No. of days Bacchan took to complete the rest of the work = 24 days.
His 1 day work = 4/5 / 24
= 1/30
1 day work of both = 1/30 + 1/40
= 7/120
No. of days took by both to complete the work = 1/ 7/120
= 17 and 1/7 days.
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