A and B can together do a piece of work in 10 days ,but A can do it in 15 days .How many days would B alone take to do the same work?
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10A+10B = 1work
15A = 1work.
10A= work10/15
w2/3+10B=w
10B=w-2/3w
10B=1/3W
30B=W
SO B WILL D0 THE JOB IN 30 DAYS
15A = 1work.
10A= work10/15
w2/3+10B=w
10B=w-2/3w
10B=1/3W
30B=W
SO B WILL D0 THE JOB IN 30 DAYS
Bhumishree:
what??
About 1 year
ok bye
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