31.
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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 work.
Approximately at what time will the work (to print one lakh books) be
finished ?
|
A.
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11:30 A.M.
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B.
|
12 noon
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C.
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12:30 P.M.
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D.
|
1:00 P.M.
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View Answer With Explanation
32. A is twice as good a workman as B and
together they finish a piece of work in 18 days. In how many days will A alone
finish the work?
A.30 Days B.27
Days
C.18.Days D.15
Days
33.A takes twice as much time as B or thrice
as much time to finish a piece of work. Working together, they can finish the
work in 2 days, can do the work alone in
A. 4
days B. 6 days
C. 12
days D.
15 days
34. Ronald and Elan are working on an
assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan
takes 5 hours to type 40 pages. How much time will they take, working together
on two different computers to type an assignment of 110 pages?
A. 7
hours 30 minutes B.
8 hours
C. 8
hours 15 minutes D. 8 hours 25
minutes
35. A and B undertake to do a piece of work
for 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 finish it in 3 days. Find the share of each.
A.75,300,225 B.225,75,300
C.75,225,300 D.300,225,75
36.
|
A can finish a work in 18 days and B can do
the same work in 15 days. B worked for 10 days and left the job. In how many
days, A alone can finish the remaining work?
|
|
|
37.
|
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?
|
|
|
38.P can complete a work in 12 days working 8
hours a day,Q can complete the same work in 8 days working 10 hours a day. If
both P and Q work together, working 8 hours a day, in how many days can they
complete the work?
A.
5x5/11 B. 5x6/11
C.
6x5/11 D. 6x6/11
39.
|
A and B can together finish a work 30 days.
They 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 work?
|
|
|
40.A,B, and C can complete a piece of work in
24,6 and 12 days respectively. Working together , they will complete the same
work in
A. 1/24
day B. 7/24 day
C.
3x3/7 days D. 4 days