Question

3. Mitesh drives his car at a speed of 70 km per hour. How much distance will he cover in S hours 45 minutes?

4. The speed of a train is 60 km per hour. Calculate its speed in metres per second.

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Answer 1

Explanation:

3.1hour =60minutes

60minutes =70km

1minute=70/60km

then 5hours45minutes=300minutes+45minutes

345minutes=70/60×345

345minutes=402×3/6km