A can build a wall in 30 days, while B can break the wall in 10 days. So in how many days the construction of the wall will be finished if A and B both work together? - Study24x7
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Quants by Vishwavinder Singh
17 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

A can build a wall in 30 days, while B can break the wall in 10 days. So in how many days the construction of the wall will be finished if A and B both work together?

A

15 days

B

17 days

C

20.5 days

D

None of the above

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