Class 9 A old man goes for a evening walk in a park .he cover a distance 20min 30sec.if he keeps walking cover at same rate.find the distance covered by him in 5min and 10sec time
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Answered by
17
Answer:
Time taken to cover 20 km at speed 5 km/hr = 4 hours
∴ Fixed time = 4 hour - 40 minutes = 3 hour 20 min
Time taken to cover 20 km at the speed 8 km/hr = 20/8 = 2 hours 30 minutes
∴ Required time = 3 hours 20 minutes - 2 hr 30 min
=50 minutes
Answered by
0
Explanation:
His speed = 40m/sec
I hope it helps
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