Questions
P is 20% more efficient than Q. P can complete a work in 24 days. If P and Q work together, how much time will it take to complete the same work?
- 10 days
- 11 days
- 14 days
- 15 days
- None of these
In a cloth factory, 35 men can prepare 120 m cloth in 10 hours. If 15 men leave the factory, how many metres of cloth will be prepared in 28 hours?
- 174 m
- 182 m
- 192 m
- 173 m
- None of these
A and B can do a piece of work in 5 hours. B and C together can do it in 4 hours, while A and C together can do it in 3 hours. How long will B alone take to do it?
- 18.14 hours
- 16.14 hours
- 17.14 hours
- 15.14 hours
- None of these
Daily wage of a man is 1.5 times that of a woman. How many men should work for 20 days to earn Rs. 14700 if the wages for 30 women for 20 days are Rs. 21000?
- 12
- 14
- 16
- 18
- None of these
P and Q can complete a work in 15 days and 10 days, respectively. P alone started the work and Q joined him after 3 days till the completion of the work. How long did the work last?
- 8 days
- 7.8 days
- 9 days
- 10.8 days
- None of these
A alone can do a piece of work in 5 days and B alone in 7 days. A and B have to do it for Rs. 3500, but they want to finish this work as soon as possible. They finish this work with the help of C in 2 days. How much money is to be paid to C?
- Rs. 1400
- Rs. 1500
- Rs. 2000
- Rs. 2200
- None of these
Keeping 15 cows and 20 buffaloes for 12 days costs Rs. 1260. If the cost of keeping 4 cows and 7 buffaloes is Rs. 252 for 7 days, what will be the cost for keeping 10 cows and 10 buffaloes for 10 days?
- Rs. 540
- Rs. 520
- Rs. 500
- Rs. 600
- None of these
If P can produce 42 packets of bread in 8 hours and Q can produce 35 packets in 7 hours, then how many hours are required to produce 123 packets of bread together?
- 7.5 hours
- 8 hours
- 12 hours
- 8.5 hours
- None of these
A is thrice as good a workman as B and together they finish a piece of work in 21 days. In how many days will B alone finish the work?
- 48 days
- 84 days
- 56 days
- 68 days
- None of these
A is twice as good a workman as B and takes 12 days less to do a piece of work than B. B alone can do the whole work in
- 18 days
- 14 days
- 24 days
- 16 days
- None of these
A can do a job in 30 days and B can do the same job in 25 days. If they work together for 5 days on this job, what fraction of the job is completed?
- 11/40
- 11/30
- 11/15
- 11/30
- None of these
It takes 7 men 12 days to complete a job. They worked for 5 days. After 5 days, 2 men left the job. In how many days will 5 men complete the job?
- 12 days
- 14 days
- 9 days
- 10 days
- None of these
A is 3/4 times as good a workman as B and therefore, he is able to finish a job in 45 days less than B. if they work together, then how many days will they take to finish the work?
- 40 days
- 78 days
- 45 days
- 48 days
- None of these
P can do a work in 6 hours. Q can do the same work in 8 hours, while R can do the same work in 10 hours. If they work together, then in how many hours will they finish the work?
- 2 hours
- 4 hours
- 3 hours
- 5 hours
- None of these
A, B and C can do a job in 20, 25 and 50 days, respectively. In how many days can A do the work if B and C help him on every 4th day?
- 12 days
- 15 days
- 16 days
- 18 days
- None of these