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Two taps can fill a tank in 12 and 18 mi...

Two taps can fill a tank in 12 and 18 minutes respectively. Both are kept open for 2 minutes and the first is turned off. In how many minutes more will the tank be filled ?
A)15 min
B)20 min
C)11 min
D)13 min

A

15 min

B

20 min

C

11 min

D

13 min

Text Solution

Verified by Experts

The correct Answer is:
D
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DISHA PUBLICATION-TIME AND WORK-Practice Exercise (Foundation Level)
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  9. A tank holds 100 gallons of water. Its inlet is 7 inches in diameter a...

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  12. Two forest officials in their respective divisions were involved in th...

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  13. A and B can do a piece of work in 45 and 40 days respectively. They be...

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  14. There is sufficient food for 400 men for 31 days. After 28 days, 280 m...

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  15. A tyre has 2 punctures. The first puncture alone would have made the t...

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  16. 12 men and 16 boys can do a piece of work in 5 days, 13 men and 24 boy...

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  17. Two taps can fill a tank in 12 and 18 minutes respectively. Both are k...

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  18. A cistern normally takes 6 hours to be filled by a tap but because of ...

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  19. If 3 men or 4 women can reap a field in 43 days, how long will 7 men a...

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

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