A train travels at an average speed of 50 Km/h and arrives at its destination as scheduled. If it travels at an average speed of 45 Km/h, it arrives 12 minutes late. What is the distance of the journey?

Answer Choices

Correct answer marked below

45 Km

60 Km

75 Km

90 Km

Correct

100 Km

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Official Explanation

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Given: A train travels at an average speed of 50 Km/h and arrives at its destination as scheduled. If it travels at an average speed of 45 Km/h, it arrives 12 minutes late. Asked: What is the distance of the journey? Let the distance of the journey be x km and the time taken be t hours. With an average speed of 50 Km/h, the equation is 50t = x. If it travels…

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Comments

NguyenNov 9, 2024

Great

ShivamJan 29, 2024

thanks for the answer

What this question tests

What it tests

Your application of distance = rate × time to trains, boats, and commuters, including relative speed.

Common trap

Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.