If 3 men or 6 boys can do a piece of work in 10 days, working 7 hours a day; how many days will it take to compete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day

1.  6

2.  

3.  

4.  9

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

2 men and 7 boys can do a piece of work in 14 days, 3 men and 8 boys can do the same in 11 days. Then, 8 men and 6 boys can do three times the amount of this work in :

1.  18 days

2.  21 days

3.  24 days

4.  30 days

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4
Correct Answer :

21 days


Explanation :
No Explanation available for this question

A does a work in 10 says and B does the same work in 15 days. In how many days they together will do the same work

1.  5 days

2.  6 days

3.  8 days

4.  9 days

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4
Correct Answer :

6 days


Explanation :
No Explanation available for this question

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day

1.  1/6

2.  1/9

3.  2/5

4.  2/7

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4
Correct Answer :

1/6


Explanation :
No Explanation available for this question

A tyre has two punctures. The firs t puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in :

1.  1/24 day

2.  7/24 day

3.  

4.  4 days

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4
Correct Answer :


Explanation :
No Explanation available for this question

A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together

1.  Less than 6 days

2.  Exactly 6 days

3.  Approximately 6.4 days

4.  More than 10 days

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4
Correct Answer :

Approximately 6.4 days


Explanation :
No Explanation available for this question

A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone

1.  

2.  7 days

3.  

4.  8 days

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in:

1.  

2.  

3.  

4.  10 days

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days, B can do the work alone in :

1.  4 days

2.  6 days

3.  8 days

4.  12 days

View Answer  
4
Correct Answer :

6 days


Explanation :
No Explanation available for this question
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