A and B can do a job in 7 days. A is \({ \text{1}}\frac{3}{4}\) times as efficient as B. The same job can be done by A alone in?
\(9\frac{1}{3}{ \text{days}}\)
11 days
\(12\frac{1}{4}{ \text{days}}\)
\(16\frac{1}{3}{ \text{days}}\)
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1
Discuss

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The original number of carpenters was ?
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2
Discuss

If 20 women can lay a road of length 100m in 10 days. 10 women can lay the same road of length 50m in = ?
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3
Discuss

A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone then he do the work in ?
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4
Discuss

A and B together can complete a particular task in 4 days. If A alone can complete the same task in 12 days. How many days will B take to complete the task if he works alone?
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5
Discuss

6 women can complete a piece of work in 10 days, whereas 10 children alone take 15 days to complete the same piece of work. How many days will 6 women and 10 children together take to complete the piece of work?
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6
Discuss

If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days?
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7
Discuss

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
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8
Discuss

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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9
Discuss

An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose. After 100 days, he finds 2.5 km of the road has been completed. Find the (approx.) number of extra men he must employ to finish the work in time.
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10
Discuss

A does half as much work as B in one sixth of the time.If together they take 10 days to complete a work, how much time shall B take to do it alone?
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