A contractor undertook to do a certain piece of work in ...

A contractor undertook to do a certain piece of work in 9 days. He employed certain number of men, but 6 of them being absent from the very first day, the rest could finish the work in 15 days. The number of men originally employed were

Course Name: Quantitative Aptitude

1]
12
2]
15
3]
18
4]
24

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1 Discuss	Three friends Anne, Bob and Chris work together to do a certain job. Time it takes them to do the work together to do a certain job. The it takes them to do the work together is 6 hours less than Anne would have take alone, 1 hour less than Bob would have taken alone and half the time Chris would have taken working alone text. How long did it take them to complete the job, working together ? 1] 20 minutes 2] 30 minutes 3] 40 minutes 4] 50 minutes Solution
10 Discuss	A completed $\frac{7}{{10}}$ of work in 15 days, then he completed the remaining work with the help of B in 4 days. In how many days A and B can complete the entire work together? 1] $10\frac{1}{2}{ \text{days}}$ 2] $12\frac{2}{3}{ \text{days}}$ 3] $13\frac{1}{3}{ \text{days}}$ 4] $8\frac{1}{4}{ \text{days}}$ Solution
2 Discuss	The laborer's A, B, C were given a contract of Rs. 750 for doing a certain piece of work. All the three together can finish the work in 8 days, A and C together can do it in 12 days, while A and B together can do it in ${ \text{13}}\frac{1}{3}$ days. The money will be divided in the ratio? 1] 4 : 5 : 6 2] 4 : 7 : 5 3] 5 : 7 : 4 4] 5 : 6 : 8 Solution
3 Discuss	A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2 days. The remaining work will be finished in = ? 1] 4 days 2] 5 days 3] 6 days 4] 15 days Solution
4 Discuss	A can do a piece of work in 15 days, which B can do it in 10 days. B worked at it for 8 days. A can finish the remaining work in? 1] 2 days 2] 3 days 3] 5 days 4] 10 days Solution
5 Discuss	40 men can complete a piece of work in 18 days. Eight days after they started working together, 10 more men joined them. How many days will they now take to complete the remaining work ? 1] 6 days 2] 8 days 3] 10 days 4] 12 days Solution
6 Discuss	A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work? 1] 5 2] 5 1/2 3] 6 4] 8 Solution
7 Discuss	A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in : 1] 4 days 2] 6 days 3] 8 days 4] 12 days Solution
8 Discuss	X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work? 1] 13 * 1/3 days 2] 15 days 3] 20 days 4] 26 days Solution
9 Discuss	8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work ? 1] 10 days 2] 12 days 3] 14 days 4] 16 days 5] None of these Solution
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