Varma can read a book in k minutes. What part of the book can he read in 8 minutes?(k>8)
A). 8 + k
B). 8/k
C). k/8
D). (k - 8)/k
8/k
Part of the book he can read in 1 minute = 1/k
Part of the book he can read in 8 minutes =8/k.
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1. 5 class A workers and 4 class B workers are assigned a job to paint a circular park. They work for one day and complete painting till half the radius of the circular park. The next day, class B workers go on strike and returns the day after as the management resolves their problems. This creates a delay of 4 hours and 48 min in overall. If their payment is based on their efficiency, what will be the ratio of their pay?
2. Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Kim?
3. A alone can complete a work in 25 days while B can complete the same work in 20 days. They worked together for 5 days and then A left. In how many days the remaining work will be completed?
4. Compute the number of days which all of P, Q and R working together would take to complete the work, if P and Q together can do a piece of work in 36 days Q and R in 18 days and R and P in 24 days.
5. A certain number of men can do a work in 40 days . If there were 5 men less it could be finished in 10 days more . How many men are there?
6. A builder decided to build a farm house in 40 days. He employed 100 workers in the beginning and 100 more after 35 days and completed the construction in stipulated time. If he had not employed the additional workers, how many days behind schedule would it have been finished?
7. Two pipes can separately fill up a cistern in 2 hours and 3 hours respectively. If both the pipes are open simultaneously, in how many minutes will the cistern be filled ?
8. Shan can complete a task in 16 days. When Shan and Jyoti work together on the same task, they receive their wages in the ratio 7 ∶ 4. In how many days will Jyoti complete the task alone?
9. P can complete $\frac{1}{4}$ of a work in 10 days, Q can complete 40% of the same work in 15 days, R, completes $\frac{1}{3}$ of the work in 13 days and S, $\frac{1}{6}$ of the work in 7 days. Who will be able to complete the work first ?
10. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in
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