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:: Time-work-2
 
Time and work Practice
 
Q8. Babu and Asha can do a job together in 7 days.
 Asha is 7/4 times as efficient as Babu. 
 The same job can be done by Asha alone in
a) 22 days     b) 21 days     c) 11 days     d) 9 days
 
Q9. A wall of 100 meters can be built by 7 men or 10 women 
in 10 days. How many days will 14 men and 20 women take 
to build a wall of 600 meters?
a) 15      b) 20     c) 25     d) 30
 
Q10. A is 50% as efficient as B. C does half of the work 
done by A and B together. If C alone does the work in 20 days,
 then A, B and C together can do the work in
a) 17/3 days     b) 20/3 days     c) 6 days     d) 7 days
 
Q11.Some carpenters promised to do a job in 9 days,
 but 5 of them were absent and remaining men were absent 
 and remaining men did the job in 12 days. The original 
 number of carpenters was
a) 24     b) 20     c) 16     d) 18
 
Q12.  A contractor undertakes to make a road in 40 days 
and employs 25 men. After 24 days, he finds that only 
one-third of the road is made. How many extra men 
should he employ so that he is able to complete 
the work 4 days earlier?
a) 100     b) 60     c) 75     d) None of these
 
Q13. A can do a work in 5 days less than the time 
taken by B to do it. If both of them together 
take 100 /9  days, then the time taken by B’ 
alone to do the same work (in days) is
a) 15     b) 20      c) 25     d) 30
 
Q14. A, B and C can complete a work in 10, 12 
and 15 days respectively. But A left the work 
before 5 days of its completion. B also left 
the work 2 days after A left. In how many days 
was the work completed?
a) 4      b) 5 days     c) 7 days     d) 8 days
 
Q15. 5 men and 2 women working together can do four
 times as much work per hour as a man and a woman together.
 The work done by a man and a woman should be in ratio:
a) 1:2     b) 2:1     c) 1:3     d) 4:1
 
 
Answers
 
8c  9a  10b  11b  12c  13c  14c  15b


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