what is the distance covered by a car travelling at a speed of 56 9/20 km ph in 1 2/5 hours ?
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1. Raghav had to walk a certain distance. He walked half the distance at a speed of 4 km/hour and the remaining half at a speed of 5 km/hour. If the total time taken was 9 hour, the distance was
9 km
20 km
40 km
50 km
2. A person rides a bicycle round a circular path of radius 50 m. The radius of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. What is the number of revolutions of the wheel in 15 minutes?
20
25
30
35
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