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1.
A tap can fill a tank in 6hours.After half hour the tank filled ,three more similar taps are opened.What is the total time taken to fill the tank completely?
- A. 3 hours
- B. 3 hours
- C. 3 hours
- D. 3 hours
Answer: Option D
Explanation:
1 tap full = 6 hurs
1 tap half = 3 hrs
4 tap half = 3/4 hrs = 45 min
∴ Total = 3 hrs 45 min
1 tap half = 3 hrs
4 tap half = 3/4 hrs = 45 min
∴ Total = 3 hrs 45 min
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