Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hr and ...

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Two trains start from p and q respectively and travel towards each other at a speed of km / hr and km / hr respectively. By the time they meet, the first train has traveled km more than the second. The distance between p and q is?

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Calculated Answer

900

Step by Step Solution

In order to solve problem, you must evaluate n₂ + (n₁ * n₂) / (n₀ - n₁) + (n₁ * n₂) / (n₀ - n₁).

• n₂ + (n₁ * n₂) / (n₀ - n₁) + (n₁ * n₂) / (n₀ - n₁)

• Evaluate n₁ * n₂ = 4000

  n₂ + 4000 / (n₀ - n₁) + (n₁ * n₂) / (n₀ - n₁)

• Evaluate n₀ - n₁ = 10

  n₂ + 4000 / 10 + (n₁ * n₂) / (n₀ - n₁)

• Evaluate 4000 / 10 = 400

  n₂ + 400 + (n₁ * n₂) / (n₀ - n₁)

• Evaluate n₂ + 400 = 500

  500 + (n₁ * n₂) / (n₀ - n₁)

• Evaluate n₁ * n₂ = 4000

  500 + 4000 / (n₀ - n₁)

• Evaluate n₀ - n₁ = 10

  500 + 4000 / 10

• Evaluate 4000 / 10 = 400

  500 + 400

• Evaluate 500 + 400 = 900

  900
• The answer to the problem and the result of n₂ + (n₁ * n₂) / (n₀ - n₁) + (n₁ * n₂) / (n₀ - n₁) is 900