Time And Work

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**Practice Problems**

Question 1: 8 men and 4 women can complete a piece of work in 6 days. Work done by a men is double the work done by a women. If 8 men and 4 women started working and after 2 days 4 men left and 4 women joined. In how many days work will be completed

A: 5

B: 6

C: 8

D: 4

Question 2: A and B can do a work in 8 days’ alone can do it in 24 days. In how many days an alone can do the same work?

A: 10

B: 9

C: 12

D: 14

Question 3: A can do ½ of a work in 9 days while B can do 1/3 of a work in 6 days. How long would it take for A and B together to complete the work?

A: 8

B: 9

C: 10

D: 7

Question 4: A can do a work in 12 days and B can do it in 16 days. A and B started the work jointly and A left 2 days before the work is finished. Find the no. of days they took to finish the work?

A: 6

B: 7

C: 9

D: 8

Question 5: Rita, seta and Meeta are employed to do a piece of work for 625Rs Rita and Sita together are supposed to do 17/23 of the work. What should Meeta be paid?

A: 162.04

B: 163.04

C: 161.04

D: 165

Question 6: Sonu can do a piece of work in 20 days .He started the work and left after some days, while 25% work was done. After it Abhijeet joined and completed it in 10 days. In how many days Sonu and Abhijeet can do working together?

A: 6

B: 8

C: 10

D: 12

Question 7: Efficiency of asha is 25% more than usha and usha takes 25 days to complete a work. Asha started to work alone and then usha joined her 5 days before actual completion of work .For how many days Asha worked alone?

A: 9

B: 10

C: 11

D: 15

Question 8: Krishna can do a work in 10 days while Mohan can do the same work in 20 days. They started work together. After 3 days Krishna left the work and Mohan completed it .For how many days Mohan worked alone more than the number of days required when both worked together?

A: 13/3

B: 13/4

C: 13/5

D: 11/3

Question 9: Kareena and Karishma can do a piece of work in 9 and 18 days. They started the work, but after 3 days saheed joined the work who alone can complete the work in 3 days. Total days in which work is completed?

A: 12

B: 8

C: 6

D: 4

Question 10: Fatima and Zahira can do a piece of work in 12 days and 15 days respectively. If they work alternatively and Fatima starts the work, then in how many days the work will be completed?

A: 61/5

B: 53/4

C: 66/5

D: 15 **Answers and Solutions**

1:-A, 5

2:-C, 12

3:-B, 9

4:-D, 8

5:-B, 163.04

6:-B, 8

7:-C, 11

8:-A, 13/3

9:-D, 4

10:-B, 53/4

Vikas is Maths Faculty with 5+ years of teaching experience. Vikas has cleared SSC CGL, SSC CHSL and multiple other government exams.

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