Work-Time

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X is 3 times as fast as Y and is able to complete the work in 40 days less than Y. Then the time in which they can complete the work together is.
15 days
yes
10 days
no
7 1/2 days
no
5 days
no
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A and B can complete a piece of work in 8 days, B and C can do it in 12 days, C and A can do it in 8 days. A, B and C together can complete it in.......
4 days
yes
5 days
no
6 days
no
7 days
no
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A can complete a work in ‘m’ days and B can complete it in ‘n’ days. How many days will it take to complete the work if both A and B work together?
(m+n) days
no
(1/m)X(1/n) days
no
(m+n)/mn
no
Mn/(m+n)
yes
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4 men and 5 women can do a piece of work in 10 days. 5 men and 4 women can do the same work in 8 days. 8 men and 8 women can do the work in.....
3 days
no
4 days
no
5 days
yes
6 days
no
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A can do a piece of work in 12 days while B alone can do it 15 days. With the help of C they can finish it in 5 days. If they are paid Rs 960 for the whole work how much money A gets?
480 Rs
no
240 Rs
no
320 Rs
no
400 Rs
yes
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A contract on construction job specifies a penalty for delay in completion of the work beyond a certain date is as follows: Rs 200 for the first day, Rs 250 for the second day, Rs 300 for the third day etc, the penalty for each succeeding day being Rs 50 more than that of the preceding day. How much penalty should the contractor pay if he delays the work by 10 days?
4950 Rs
no
4250 Rs
yes
3600 Rs
no
650 Rs
no
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If 12 men or 18 women can reap a field in 14 days then working at the same rate, 8 men and 16 women can reap the same field in……..
9 days
yes
5 days
no
7 days
no
8 days
no
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12 men construct 1.5 km of road in 7 days. 28 men will construct 12 km of roads in.....
20 days
no
24 days
yes
28 days
no
38 days
no
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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?
7 hrs 30 min
no
8 hrs
no
8 hrs 15 min
yes
8 hrs 25 min
no
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