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Question #3
Easy
•
SSC CGL Tier 1 2024
•
25/09/2024, 12:30 PM
•
Pipes Cistern
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Two pipes X and Y can fill a tank in 14 hours and 21 hours, respectively. Both pipes are opened simultaneously to fill the tank. In how many hours will the empty tank be filled?
A
6
2
5
6\frac{2}{5}
6
5
2
hours
B
7
2
5
7\frac{2}{5}
7
5
2
hours
C
8
2
5
8\frac{2}{5}
8
5
2
hours
D
5
2
5
5\frac{2}{5}
5
5
2
hours
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