Harshita cycles to her school at an average speed of 12 km per hour . It takes him 20 minutes to reach the school . If she wants to reach her school in 15 minutes. What would be her average speed ?

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Solution

Dear student,
Distance=Speed×Time
=12×20/60
=4km
Let speed be x km/hr in 15minutes
Distance=x×15/60
4=x×1/4
x=16km/hr
Regards

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Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be
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(b)16 km/h
(c)20 km/h
(d) 15 km/h

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Harshita cycles to her school at an average speed of 12 km per hour . It takes him 20 minutes to reach the school . If she wants to reach her school in 15 minutes. What would be her average speed ?

Dear student, Distance=Speed×Time =12×20/60 =4km Let speed be x km/hr in 15minutes Distance=x×15/60 4=x×1/4 x=16km/hr Regards

Dear student,
Distance=Speed×Time
=12×20/60
=4km
Let speed be x km/hr in 15minutes
Distance=x×15/60
4=x×1/4
x=16km/hr
Regards