Arpan Lepcha
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Posted 6 year ago
A can do a pics of work in 12 days B can do the same work in 15 days if they work together how many days required ?
2 Answer(s)
Siddharth Gupta
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Posted 6 year ago Siddharth Gupta

60/9 ie. 6.6 days

Sri Kailash soni
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Posted 6 year ago Sri Kailash soni

1/12+1/15=9/60 60/9