BIHAR CGL PRE TIME AND WORK - 9

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Question 1:

10 men and 12 children can complete a certain piece of work in 10 days. Each child takes thrice the time taken by a man to complete the work. The time taken by 25 men and 9 children to complete the same work.

Question 2:

Manisha and Lakshmi can type ten identical books in 25 and 20 days respectively. If Manisha, Lakshmi and Shivani, together under table the work of typing the ten books for a sum of Rs. 12000 and complete the work in ten days, find Shivani's share (in Rs.)

Question 3:

A and B working together can do 40% of the work in 8 days. B alone can do the same work in 25 days. How much time will A take to complete the same work?

Question 4:

‘A’ can complete a piece of work in 12 days. ‘A’ and ‘B’ together can complete the same piece of work in 4 days. In how many days can ' B ' alone complete the same piece of work?

Question 5:

30 workers can do a work in 15 days working 8 hours a day. How much less days 15 workers will take each of double efficiency as previous working 10 hours in a day?

Question 6:

A and B were assigned to do a job for an amount of RS. 1,200 . A alone can do it in 15 days, while B can do it in 12 days. With the help of C, they can finish in 5 days. The share of amount that $\mathrm{C}$ earns is :

Question 7:

2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days. In how many days can 2 men and 1 boy do the work ?

Question 8:

A boy Completes a task in 3 days and gets $Rs .660$. What is the daily wage of the boy.

Question 9:

Ranjit can do a piece of work in 25 days while Anji can do it in 20 days. They work together for 5 days and then Ranjit leaves. In how many days will Anji take to finish the remaining work?

Question 10:

12 women can complete a work in 64 day, then find how many women will be required to complete 2/3 rd of the same work in 16 days?