A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is ...

A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 4.5 km long?

Answer/Solution

Steps/Work

D = 25 * 60 + 4500 = 6000 m
T = 6000/60 * 18/5 = 360 sec = 6 mins
Answer: D

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A train of carriages, each of meters length, when an engine also of meters length is running at a speed of kmph. In what time will the train cross a bridge km long?

Calculated Answer

Step by Step Solution

In order to solve problem, you must evaluate n₄ + (n₁ * (n₀ + 1)) / 1000.

n₀ =	24
n₁ =	60
n₂ =	60
n₃ =	60
n₄ =	4.5

n₄ + (n₁ * (n₀ + 1)) / 1000
Evaluate n₀ + 1 = 25
n₄ + (n₁ * 25) / 1000
Evaluate n₁ * 25 = 1500
n₄ + 1500 / 1000
Evaluate 1500 / 1000 = 1.5
n₄ + 1.5
Evaluate n₄ + 1.5 = 6
6
The answer to the problem and the result of n₄ + (n₁ * (n₀ + 1)) / 1000 is 6

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