Work-Time

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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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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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