A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
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Answer:
A =15 days
B=10days
Both work together =15-10=5days
Now B left after 2 days
Then A Will complete work in 15-2=13 days
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