RAM does a work in 10 days and Mohan is 15 days how many days will be taken when they do the work together
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1/15+1/X=1/10
1/X=1/10-1/15= 5/150= 1/30
X= 30 days
1/X=1/10-1/15= 5/150= 1/30
X= 30 days
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