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Time and Work Questions and Answers

2 years ago 3.3K Views
Q :  

A and B together can complete a particular task in 6 days. If A alone can complete the same task in 10 days, how many days will B take tocomplete the task if he works alone?

(A) 15

(B) 16

(C) 14

(D) 12

(E) None of these

Correct Answer : A

Q :  

If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in2days, then the time taken by 15 men and 20 boys to do the same type of work will be

(A) 5 days

(B) 4 days

(C) 6 days

(D) 7 days

Correct Answer : B

Q :  

Tarun and Uday together can complete a piece of work in 16 days; Uday and Vivek together can complete the work in 28 4/5 days; while Tarun and Vivek together can complete the work in 18 days. In how many days can Tarun alone complete the work?

(A) 18 days

(B) 24 days

(C) 30 days

(D) 36 days

(E) None of these

Correct Answer : B

Q :  

If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days? 

(A) 260

(B) 240

(C) 280

(D) 520

Correct Answer : A

Q :  

Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in 

(A) 15 days

(B) 18 days

(C) 20 days

(D) 24 days

Correct Answer : B

Q :  Ratio between the time taken by A and B to complete a certain work is 4:5. If together they can complete a work in 20 days, in how many days can A alone complete it?

(A) 30

(B) 32

(C) 36

(D) 45

Correct Answer : C

Q :  

8 men and 4 women together can complete a piece of work in 6 days. Work done by a man in one day is double the work done by a woman in one day. If 8 men and 4 women started working and after 2 days, 4 men left and 4 new women joined, in how many more days will the work be completed? 

(A) 5 days

(B) 8 days

(C) 6 days

(D) 4 days

(E) 9 days

Correct Answer : A

Q :  

A and B together can complete a particular task in 4 days. If A alone can complete the same task in 6 days, how many days will B take to complete the task if he works alone? 

(A) 8

(B) 17

(C) 14

(D) 12

(E) None of these

Correct Answer : D

Q :  

A work is done in 16 days by 8 labours. They worked together for 2 days and after that 8 additional labours joined them. The rest work will be finished by them in ______

(A) 8 days

(B) 10 days

(C) 9 days

(D) 7 days

Correct Answer : D

Q :  

A work is finished by ‘A’ alone in 16 hours, ‘B’ alone in 20 hours and 'C' alone in 24 hours. They worked together and finished it and got Rs 777/ - as wages. The share of ' B ' in the wages will be _____ 

(A) Rs 213 / -

(B) Rs 252 / -

(C) Rs 280 / -

(D) Rs 315 /-

Correct Answer : B

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