To complete a work A and B takes 8 days, B and C takes 12 days, A,B and C takes 6 days. How much time A and C will take

1.  24 days

2.  16 days

3.  12 days

4.  8 days

View Answer  
4
Correct Answer :

8 days


Explanation :
No Explanation available for this question

A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it

1.  40 days

2.  35 days

3.  30 days

4.  25 days

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4
Correct Answer :

30 days


Explanation :
No Explanation available for this question

A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in

1.  15 days

2.  10 days

3.  9 days

4.  8 days

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4
Correct Answer :

15 days


Explanation :
No Explanation available for this question

A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in

1.  5 days

2.  6 days

3.  7.5 days

4.  8.5 days

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4
Correct Answer :

7.5 days


Explanation :
No Explanation available for this question

A can do a piece of work in 4 hours . A and C together can do it in just 2 hours, while B and C together need 3 hours to finish the same work. In how many hours B can complete the work

1.  10 hours

2.  12 hours

3.  16 hours

4.  18 hours

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4
Correct Answer :

12 hours


Explanation :
No Explanation available for this question

P  and  Q  can  run  one  full  round  of  a  circular  track  in  8  minutes  and  15  minutes respectively. If they start simultaneously and run in same direction, after how much time will they meet for the first time

1.   24 mins

2.  120/7 mins

3.  120/17 mins

4.  120/23 mins

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4
Correct Answer :

120/7 mins


Explanation :
No Explanation available for this question

A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work

1.  3512

2.  3612

3.  3712

4.  3812

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4
Correct Answer :

3712


Explanation :
No Explanation available for this question

A tank, which usually takes 5hours  to filled, takes  6 hours to fill because of a leak. Find the time in which the leak can empty the tank if it is filled and the inlet pipe is shut.

1.  30hrs

2.  27.5hrs

3.  25hrs

4.  22.5hrs

5.  20hrs

View Answer  
5
Correct Answer :

22.5hrs


Explanation :
No Explanation available for this question

Three  taps  P,  Q  and  R  can  fill  a  tank  individually  in  10  hrs,  20  hrs  and  25  hrs respectively. At first all the taps are opened simultaneously. After 2 hours tap R is closed and after further 2 hours tap Q is also closed. Tap P is kept open till the tank gets completely filled. What fraction of the tank is filled by tap P

1.  2/11

2.  9/11

3.  18/25

4.  7/25

5.  1/2

View Answer  
5
Correct Answer :

18/25


Explanation :
No Explanation available for this question

4 men and 6 women finish a job in 8 days, while 3 men and 7 women finish it in 10 days. In how many days will 10 women working together finish it

1.  30 days

2.  40 days

3.  50 days

4.  60 days

View Answer  
4
Correct Answer :

40 days


Explanation :
No Explanation available for this question
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