Time and Work Questions for SSC CHSL 2016


Q1. A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in:    
(a) 8 days 
(b) 10 days 
(c) 12 days 
(d) 15 days 



Q2. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in: 
(a) 5 days  
(b) 6 days 
(c) 10 days 
(d) 10 1/2 days 

Q3. A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 a.m. while machine P is closed at 11 a.m. and the remaining two machines complete the work. Approximately at what time will the work be finished? 
(a) 11:30 a.m.
(b) 12 noon 
(c) 2 p.m. 
(d) 1 p.m. 

Q4. A and B can together finish a work in 30 days. Then worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job? (a) 40
(b) 50
(c) 54
(d) 60

Q5. A does 4/5 of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?  
(a) 23 days 
(b) 37 days 
(c) 37.5 days 
(d) 40 days 

Q6. A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone? 
(a) 30 days 
(b) 40 days 
(c) 60 days 
(d) 70 days 

Q7. A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days to complete the work is: 
 
Q8. 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? 
(a) Rs. 30
(b) Rs. 60
(c) Rs. 70
(d) Rs. 75 

Q9. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?   
(a) Rs. 375
(b) Rs. 400
(c) Rs. 600
(d) Rs. 800
Q10. 12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work? 
(a) 2 days 
(b) 3 days
(c) 4 days
(d) 5 days

Q11. A man, a woman and a boy can complete a job in 3, 4 and 12 days respectively. How many boys must assist 1 man and 1 woman to complete the job in 1/4 of a day?  
(a) 1
(b) 4
(c) 19
(d) 41

Q12. 12 men can complete a piece of work in 4 days, while 15 women can complete the same work in 4 days. 6 men start working on the job and after working for 2 days, all of them stopped working. How many women should be put on the job to complete the remaining work, if it is to be completed in 3 more days?  
(a) 15
(b) 18
(c) 22
(d) Data inadequate 


Q13. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?  
(a) 3
(b) 5
(c) 7
(d) Cannot be determined 
Q14. If 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is:  
(a) 2 : 1
(b) 3 : 1
(c) 3 : 2
(d) 5 : 4 

Q15. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?  
(a) 35
(b) 40
(c) 45
(d) 50






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