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A and B together can do a piece of work ...

A and B together can do a piece of work in 15 days. If 1 day's work of A be `1(1)/(2)` times one day's work of B. Find in how many days each alone will do the work.

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The correct Answer is:
A alone in 25 days and B alone in 37.5 days.
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NAGEEN PRAKASHAN ENGLISH-LINEAR EQUATIONS IN TWO VARIABLES -Exercise 3e
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  7. A sailor goes 8 km downstream in 40 minutes and returns in 1 hours....

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  16. The ratio of incomes of A and B is 9 : 7 and the ratio of their expend...

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  17. Mr. Mohit has decided to walk on a treadmill for a fixed distance. Fir...

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  18. It takes 12 hours to fill a swimming pool using two pipes . If the pip...

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