Question

(iv) The speed of a train is 60 1/2 km/h. How much distance the train will travel in 10 1/2 hours and 45/2 minutes




a 657.94 km (6) 657 km
(c) 65.79 km (d) 657.98 km
2
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Answer 1

Answer:

Speed of the train = 60 * 0.5 =30 km/h.

The time is 10 * 0.5 = 2 hrs. + 45*0.5 = 22.5 minutes.

0.5 minutes = 0.5 * 60 = 30 seconds.

The total time will be 2 hrs 22 min 30 sec.

So, the total distance traveled will be

Distance = Speed * Time.

For 2 hrs:— 30*2 = 60 km

For 22 minutes:— 30* 22/60hrs = 11 km

For 2 seconds:— 30 * 2/3600 = 0.1666 km.

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Adding all these we get,

60+11+0.16666 = 71.166666 km.