Madan covers 15 km by cycle at the speed of 5 km/hr and covers another 30 km by bike at the speed of 15 km/hr. Find his average speed
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Answer:
Step-by-step explanation:
D1=15 km
S1=5km/hr
T1=D1/S1
=15/5
=3hr
D2=30 km
S2=15km/Hr
T2=D2/S2
=30/15
=2hr
Average speed =Total distance /Total time
=15+30/3+2
=45/5
=9km/hr
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