Tony has 3 sons – Harry, Peter and Murphy. Harry and Peter can complete the work in 24 days and 36 days respectively. In how many days Murphy will complete the work, if Tony could alone complete the whole work in 36/11 days. Tony can do double the work in same time in which all the sons together can complete the work . In how many days Murphy alone can do the whole work?

Harry + Peter + Murphy = 11 3 + 2 + Murphy = 11 Murphy = 6 Murphy can complete the work = 72/6 = 12 days

- P and Q can complete a work in 28 days and 42 days, respectively. P, Q and R together can complete the work in 14 days. If R get a total wage of Rs. 5460 to complete the work alone, then find the per day wage of R.
- 5 girls can do a piece of work in 9 days, 4 boys can do the same piece of work in 8 days, 6 men do the same piece of work in 2 days and 4 women can do the same piece of work in 4 days. Who is least efficient?
- A and B can complete a work together in 32 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by B alone in 6x days, then find the value of x.
- A and B individually can complete the work in 30 days and 45 days respectively. If the time taken by C alone to complete the work is 1.5 times the time taken by A and B together to complete the work, find the time taken by C to complete the work while working alone.
- 28 men can complete a piece of work in 12 days. 12 men started the same work and worked for 10 days, and then joined by ‘x’ more men such that the remaining work is completed in 12 days. Find the value of ‘x’.
- A man, a woman and a boy can do a work in 3, 2, 6 days respectively. How many children were required with 1 man and 1 woman to complete the same work in (1 )/(2 ) day?
- A alone work for 6 days then left the work and B alone finishes remaining work in 12 days. If ratio of time taken by A alone to B alone to finish work is 3:2. Find time taken by B alone to do the work.
- Karan, Arjun and Krunal alone can complete a work in 35, 70 and 60 days respectively. All of them started working together but after 3 days from start Karan left the job and after 5 more days Arjun also left the job. So for how many days did Krunal work?
- X men can complete the piece of work in 36 days and (X + 30) men can complete the same work in 15 days less than that of days taken by X men. Find the value of X.
- Jack is twice efficient as Jill and Jill can do a piece of work in 30 days. Jill started the work and after a few days Jack joined him. They completed the work in 22 days. From the starting, for how many days they worked together?

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