Question

There are two pipes X and Y to fill an empty tank. Pipe X alone can fill 2/3 part of an empty tank in 10 hrs. Pipe Y alone can fill 1/6 part of an empty tank in 5 hrs. Both pipes following their own relative rate of flow will fill the tank in how many hours ?

• A. 30 Hours
• B. 10 Hours
• C. 24 Hours
• D. 15 Hours

Answer 1

Answer: (B)