Question

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

Answer 1

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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