If two persons, with equal abilities, can do two Jobs in two days, then 100 persons with equal abilities can do 100 similar Jobs in1). 100 days2). 10 days3). 5 days4). 2 days
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1. Jyothl can do $\frac{3}{4}$ of a Job in 12 days. Mala is twice as efficient as Jyothi. In how many days will Mala finish the job ?
2. A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is
3. Working 9 hours a day, Manish can read a book in 16 days. How many hours a day should he work so as to finish the same work in 24 days?
4. Work done by 1 man is equal to the work done by 4 children and work done by 1 woman is equal to the work done by 2 children. 2 men, 2 women and 1 child can complete work together in 8 days. In how many days 4 men, 4 women and 2 children can complete the work?
5. A does half as much work as B in three ?fourth of the time. On the off chance that together they take 18 days to finish the work, the amount of time might B takes to do it?
6. A and B together can do a work In 4 days. A alone can do it in 12days.what time B will take to do the work alone?
7. If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?
8. Prahlad has done 1/3rd of a job in 30 days, Sarfaraz completes the rest of the job in 90 days. In how many days can they together do the job?
9. P can do a piece of work in 18 days and Q can do in 22 days, with the help of C, they finish the work in 6 days. How long will it take R to finish the work?
10. To complete a project, 18 women take 4 more days than the number of days taken by 12 men. If eight men complete the project in 9 days, how much work will be left when 15 women and 12 men together work for 3 days ?
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