Disha cycles to her school at an average speed of 12km/hr it takes her 20 min to reach school if she wants to reach school in 15 min what should be her average speed
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d=St
= 12×20
distance=240 km
s=d/t
= 240/15
speed=16km/hr
= 12×20
distance=240 km
s=d/t
= 240/15
speed=16km/hr
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