Discussion
The speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?
Answer: A
Ten minutes is one sixth of an hour.
\[ \text{distance} = 90 \times \frac{10}{60} = 15 \text{ km} \]
The answer is a distance, not a speed, so it is measured in kilometres - a point the units of the options are there to test.
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