A does 7/18 of a work in 14days. Then he completes the remaining work with
the help of B in 10 days. In how many days can B alone do the work?
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Answered by
6
Answer:
A completes 7/10 of a work in 14 days, means A's daily performance is...
7/10 divided by 14 = 1/20 part of the work or A can complete the work in 20 days.
After 14 days the unfinished work left is...
1 - 7/10 = 3/10 part and A and B jointly completed this part in 2 days.
A had contributed 1/20 x 2 = 2/20 or 1/10 part and B's contribution is... The rest i.e..
3/10 - 1/10 =2/10 in 2 days or B's daily contribution is 1/10 part of the work. Therefore B Alone could have completed the work in...
10 days. Answer.
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Answered by
1
Answer:
10 days
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