A contractor undertake to do a piece of work in 40 days. He ...

A contractor undertake to do a piece of work in 40 days. He engages 100 men at the beginning and 100 more after 35 days and completes the work in stipulated time. If he had not engaged the work in men, how many days behind the scheduled the work should have been finished ?

Course Name: Quantitative Aptitude

1] 5
2] 6
3] 7
4] 8

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1 Discuss	Two men undertake to do a piece of work for Rs. 1400. The first man alone can do this work in 7 days while the second man alone can do this work in 8 days. If they working together complete this work in 3 days with the help of a boy, how should the money be divided ? 1] Rs. 600, Rs. 550, Rs. 250 2] Rs. 600, Rs. 525, Rs. 275 3] Rs. 600, Rs. 500, Rs. 300 4] Rs. 500, Rs. 525, Rs. 375 Solution
10 Discuss	If 10 men can do a piece of work in 12 days, the time taken by 12 men to do the same piece of work will be: 1] 12 days 2] 10 days 3] 9 days 4] 8 days Solution
2 Discuss	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 ? 1] 12 days 2] 13 days 3] 14 days 4] 15 days Solution
3 Discuss	There was a leakage in the container of the refined oil. If 11 kg oil is leaked out per day then it would have lasted for 50 days, if the leakage was 15 kg per day, then it would have lasted for only 45 days. For how many days would the oil have lasted, if there was no leakage ant it was completely used for eating purpose? 1] 80 days 2] 72 days 3] 100 days 4] 120 days Solution
4 Discuss	Two pipes can fill an empty tank separately in 24 minutes and 40 minutes respectively and a third pipe can empty 30 gallons of water per minute. If all three pipes are open, empty tanks become full in one hour. The capacity of the tank (in gallons) is: 1] 800 gallons 2] 600 gallons 3] 500 gallons 4] 400 gallons Solution
5 Discuss	A can write 75 pages in 25 hours. A and B together can write 135 pages in 27 hours. In what time can B write 42 pages ? 1] 17 hrs 2] 19 hrs 3] 21 hrs 4] 23 hrs Solution
6 Discuss	Two pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. First A and B are opened. After 7 minutes, C is also opened. The tank filled up in: 1] 39 min. 2] 46 min 3] 40 min. 4] 45 min. Solution
7 Discuss	A can build up a wall in 8 days while B can break it in 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the wall ? 1] ${ \text{6}}\frac{1}{3}{ \text{ days}}$ 2] 7 days 3] ${ \text{7}}\frac{1}{3}{ \text{ days}}$ 4] ${ \text{13}}\frac{1}{3}{ \text{ days}}$ Solution
8 Discuss	A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same work alone ? 1] 24 days 2] 32 days 3] 40 days 4] 48 days Solution
9 Discuss	42 women can do a piece of work in 18 days, How many women would be required do the same work in 21 days. 1] 35 2] 36 3] 37 4] 38 Solution
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