Work-Time

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A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days B could finish the work?
48 days
yes
24 days
no
16 days
no
12 days
no
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A tap drips at a rate of one drop/sec. 600 drops make 100 ml. The number of litres wasted in 300 days is….
4320000
no
432000
no
43200
no
4320
yes
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A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is….
10 days
no
12 days
no
15 days
yes
16 days
no
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Working 5 hours a day, A can complete a work in 8 days and working 6 hours a day, B can complete the same work in 10 days. Working 8 hours a day, they can jointly complete the work in….
3 days
yes
4 days
no
4.5 days
no
5.4 days
no
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If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
60
yes
45
no
40
no
30
no
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A and B can separately complete a piece of work in 20 days and 30 days respectively. They worked together for some time, then B left the work. If A completed the rest of the work in 10 days, then B worked for….
6 days
yes
8 days
no
12 days
no
16 days
no
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An empty tank can be filled by pipe A in 4 hours and by pipe B in 6 hours. If the two pipes are opened for 1 hour each alternately with first opening pipe A, then the tank will be filled in….
1 3/4 hours
no
2 3/5 hours
no
4 2/3 hours
yes
5 1/2 hours
no
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12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work,then how many days would be required for one woman alone to complete the same work?
140 days
no
160 days
yes
145 days
no
158 days
no
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A leak can empty a completely filled tank in 25 hours. If the tank is full of water and a tap is opened which fills 3 litres of water per minute in the tank. The leak now takes 40 hours to empty the tank, then find the capacity of tank.
8000 litre
no
9000 litre
no
12000 litre
yes
11000 litre
no
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Varun alone can do a piece of work in 16 hours while Raghav alone can do it in 18 hour. They together took Rs 360 to do the same work. If with the help of Sachin, they finish the piece of work in 4 hour, then how much money is paid to Sachin?
Rs 170
no
Rs 180
no
Rs 190
yes
Rs 200
no
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