A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?
A). 20
B). 21
C). 22
D). 23
21
WC = 1:22x + x = 1/14 => x = 1/422x = 1/21 => 21 days
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1. P and Q undertook to do a work for Rs. 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they finished the work in 5 days. What is the share (in Rs) of R?
2. Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?
3. A is thrice as good work than as B. Together they can finish a work in 6 days.In how many days A alone do the work?
4. A man, a woman and a boy can together complete a piece of work in 3 days. If a man alone can do It in 8 davs and a boy alone in 18 days, how long will a woman alone take to complete the work?
5. 12 men take 36 days to do a work while 12 ladies complete 3/fourth of the same work in 36 days. In how long 10 men and 8 ladies together will finish the same work?
6. A and B together can diga trench in 12 days, which A alone can dig in 28 days; B alone can dig it in
7. Two taps can fill a tank in 12 minutes and 15 minutes respectively. Third tap can empty the tank in 6 minutes. Both the taps are opened for 5 minutes and after that the third tap is also opened. In how many minutes will the tank be emptied?
8. A can do in one day three time the work done by B in one day. They together finish $\frac{2}{5}$ of the work in 9 days. The number of days by which B can do the work alone is :
9. Manju takes 16 days to complete a work. If she works with her friend Jenny they complete it in 12 days. How many days will it take for Jenny to complete the work alone?
10. A, B and C can finish a job working alone in 12, 8 and 24 days respectively. In how many days they can finish the job if they worked together?
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