13. M can do a piece of work in 36 days. He worked for 4 days and N finished th
remaining work in 16 days. In how many days can M and N, together finish th
same work?
(a) 12
(b) 16
(C) 15
(d) 14
Answers
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Answer:
16
Explanation:
galat be ho sakhta ha
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