A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
4 days
6 days
8 days
12 days
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1
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A and B together can finish a work in 9 days. A alone can finish the work in 12 days. In how many days will B alone finish the work?
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2
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A is thrice good a workman as B and therefore is able to finish a job in 40 days less than B. Working together they can do it in:
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3
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A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for ?
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4
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An employee pays Rs. 26 for each day a worker and forfeits Rs. 7 for each day he idle. At the end of 56 days, if the worker got Rs. 829, for how many days did the worker remain idle?
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5
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A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the job together is = ?
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6
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A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
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7
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A completes \(\frac{7}{{10}}\) of the work 15 days. Then he completes the remaining work the help of B in 4 days. The time required for A and B together to complete the entire work is = ?
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8
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Find in what ratio will the total wages of the workers of a factory be increased or decreased if there is a reduction in the number of workers in the ratio 13 : 10 and an increment in their wages in the ratio 15: 26.
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9
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45 men can complete a piece of work in 16 days. Four days they started working , 36 more men joined them. How many days will they take to complete the remaining work ?
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10
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A group of workers was put on a job. From second day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in 55% of the time. How many workers were there in the group?
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