1.

A car travels 60 km in 1hr 30 min.How long will it take to cover a distance of 100 km at the same speed.

Answer»

Time TAKEN to cover 60 km=1 HR 30 min=90min

time taken to cover 1 km=90/60=3/2 min

time taken to cover 100 km=3/2×100=150 min

Therefore, time taken to cover 100 km=150 min or 2 hr 30 min

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