Two pipes A and B can fill a tank in 10hour and 15 hours respectively.

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Two pipes a and b can fill a tank in hour and hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?

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Calculated Answer

6

Step by Step Solution

In order to solve problem, you must evaluate 1 / (1 / n₀ + 1 / n₁).

• 1 / (1 / n₀ + 1 / n₁)

• Evaluate 1 / n₀ = 0.1

  1 / (0.1 + 1 / n₁)

• Evaluate 1 / n₁ = 0.066666666666667

  1 / (0.1 + 0.066666666666667)

• Evaluate 0.1 + 0.066666666666667 = 0.16666666666667

  1 / 0.16666666666667

• Evaluate 1 / 0.16666666666667 = 6

  6
• The answer to the problem and the result of 1 / (1 / n₀ + 1 / n₁) is 6