Aditya, Vedus and Yuvraj alone can do a job for 6 weeks, 9 weeks and 12 weeks respectively. They work together for 2 weeks. Then, Aditya leaves the job. Vedus leaves the job a week earlier to the completion of the work. The job would be completed in:

1.  4 weeks

2.  5 weeks

3.  7 weeks

4.  None of these

View Answer  
4
Correct Answer :

None of these


Explanation :
No Explanation available for this question

Due to hole at the bottom of the tank, a tap takes 2 more minutes to completely fill the tank. Due to leakage of water through this hole, a bucket filled completely with water gets emptied in 4 minutes. In how much time can the tap fill the tank, if there was no hole at the bottom at the tank

1.  8 min

2.  2 min

3.  4 min

4.  6 min

View Answer  
4
Correct Answer :

2 min


Explanation :
No Explanation available for this question

A can complete a project in 20 days and B can complete the same project in 30 days. If A and B start working on the project together and A quits 10 days before the project is completed, in how many days will the project be completed

1.  18

2.  27

3.  26.67

4.  16

View Answer  
4
Correct Answer :

18


Explanation :
No Explanation available for this question

A red light flashes 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour

1.  30

2.  29

3.  31

4.  32

View Answer  
4
Correct Answer :

30


Explanation :
No Explanation available for this question

A, B and C can do a work in 5 days, 10 days and 15 days respectively. They started together to do the work but after 2 days A and B left. C did the remaining work (in days)

1.  1

2.  3

3.  5

4.  4

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Jay and Anup can do a job, each working alone in 30 and 15 days respectively. Jay started the work and after a few days, Anup joined him. They completed the work in 18 days from the start. After how many days did Anup join A

1.  6

2.  10

3.  12

4.  14

View Answer  
4
Correct Answer :

12


Explanation :
No Explanation available for this question

Pipe A can fill a tank in 'a' hours. On account of a leak at the bottom of the tank it takes thrice as long to fill the tank. How long will the leak at the bottom of the tank take to empty a full tank, when pipe A is kept closed

1.  3/2 a hours

2.  2/3 a hours

3.  4/3 a hours

4.  3/4 a hours

View Answer  
4
Correct Answer :

3/2 a hours


Explanation :
No Explanation available for this question

Pavan builds an overhead tank in his house, which has three taps attached to it. While the first tap can fill the tank in 12 hours, the second one takes one and a half times more than the first one to fill it completely. A third tap is attached to the tank which empties it in 36 hours. Now one day, in order to fill the tank, Pavan opens the first tap and after two hours opens the second tap as well. However, at the end of the sixth hour, he realizes that the third tap has been kept open right from the beginning and promptly closes it. What will be the total time required to fill the tank

1.  8 hours 48 minutes

2.  9 hours 12 minutes

3.  9 hours 36 minutes

4.  8 hours 30 minutes

View Answer  
4
Correct Answer :

9 hours 12 minutes


Explanation :
No Explanation available for this question

Ram, who is half as efficient as Krish, will take 24 days to complete a work if he worked alone. If Ram and Krish worked together, how many days will they take to complete the work

1.  16

2.  12

3.  8

4.  18

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question

Ram starts working on a job and works on it for 12 days and completes 40% of the work. To help him complete the work, he employs Ravi and together they work for another 12 days and the work gets completed. How much more efficient is Ram than Ravi

1.  50%

2.  200%

3.  125%

4.  100%

View Answer  
4
Correct Answer :

100\%


Explanation :
No Explanation available for this question
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