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Pipe A can fill the tank in 4 hours, whi...

Pipe A can fill the tank in 4 hours, while pipe B can fill it in 6 hours working separately. Pipe C can empty whole the tank in 4 hours. He opened the pipe A and B simultaneously to fill the empty tank. He wanted to adjust his alarm so that he could open the pipe C when it was half-filled, but he mistakenely adjusted his alarm at a time when his tank would be `3//4`th filled. What is the time difference between both the cases, to fill the tank fully :

A

48 min.

B

54 min.

C

30 min.

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT SSC-TIME AND WORK-EXERCISE(LEVEL 1)
  1. 7 Indian and 4 Chinese finish a job in 5 days. 7 Japanese and 3 Chines...

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  2. A, B and C are three book binders. A takes 8 minutes, B takes 12 minut...

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  3. A piece of work can be completed by 10 men and 6 women in 18 days. Men...

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  4. B and C are equally efficient, but the efficiency of A is half of each...

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  5. A can do a piece of work in 10 days, B in 15 days. They work together ...

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  6. A can do a piece of work in 2 hours, B can do thrice the work in 8 hou...

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  7. A is twice efficient as B and together they do the same work in as muc...

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  8. 4 men and 2 boys can finish a piece of work in 5 days. 3 women and 4 b...

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  9. If m men can do a work in r days, then the number of days taken by (m+...

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  10. Pipe A can fill a tank in 36 minutes and pipe B can fill it in 45 minu...

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  11. Tap A can fill the empty tank in 12 hours, but due to a leak in the bo...

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  12. Pipe A and B can fill a cistern in 10 hours and 15 hours Respectively....

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  13. A cistern has a leak which would empty it in 6 hours. A tap is turned ...

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  14. Tap a fills a tank in 10 hours and B can fill it in 15 hours. Both are...

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  15. Tap A can fill a tank in 20 hours, B in 25 hours but tap C can empty a...

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  16. If one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20%...

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  17. Pipe A basically used as inlet pipe and pipe B is used as outlet pipe....

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  18. Pipe A can fill the tank in 4 hours, while pipe B can fill it in 6 hou...

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  19. Two pipes A and B can fill a cistern in 15 Fours and 10 hours respecti...

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  20. Pipe A can fill an empty tank in 30 hours while B can fill it in 45 ho...

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