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wipro Placement Papers with Solution Page 43

(#M40006428) WIPRO QUESTION Time and work problems Keep an EYE

A and B can do a work in12 days, B and C in 15 days, C and A in 20 days. If A,B and C work together, they will complete the work in how many days?

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(#M40006427) WIPRO QUESTION Time and work problems Keep an EYE

Two workers A and B are engaged to do a work. A working alone takes 8 hours more to complete the job than if both working together. If B worked alone, he would need 4 1/2 hours more to compete the job than they both working together. What time would they take to do the work together.

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(#M40006426) WIPRO QUESTION Time and work problems Keep an EYE

P,Q and R are three typists who working simultaneously can type 216 pages in 4 hours In one hour, R can type as many pages more than Q as Q can type more than P. During a period of five hours, R can type as many pages as P can during seven hours. How many pages does each of them type per hour?

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(#M40006425) WIPRO QUESTION Time and work problems Keep an EYE

A can do a piece of work in 80 days. He works at it for 10 days & then B alone finishes the remaining work in 42 days. In how much time will A and B, working together, finish the work?

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(#M40006424) WIPRO QUESTION Time and work problems Keep an EYE

A and B undertake to do a piece of workfor Rs 600. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they can finish it in 3 days, Find the share of each?

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(#M40006423) WIPRO QUESTION Time and work problems Keep an EYE

X can do ¼ of a work in 10 days, Y can do 40% of work in 40 days and Z can do 1/3 of work in 13 days. Who will complete the work first?

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(#M40006422) WIPRO QUESTION Time and work problems Keep an EYE

A can do a piece of work n 7 days of 9 hours each and B alone can do it in 6 days of 7 hours each. How long will they take to do it working together 8 2/5 hours a day?

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(#M40006421) WIPRO QUESTION Time and work problems Keep an EYE

A can do a certain work in 12 days. B is 60% more efficient than A. How many days does B alone take to do the same job?

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(#M40006420) WIPRO QUESTION Time and work problems Keep an EYE

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?

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(#M40006419) WIPRO QUESTION Time and work problems Keep an EYE

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long it take both A & B, working together but independently, to do the same job?

Solution

one day work of A = 1/8
one day work of B = 1/10
so one day work of A and B together = 1/8 + 1/10 = 9/40
so total days required = 40/9

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