Question

Disha cydes to her school at an average speed of 12 km/hr. It takes her 20 minutes
to reach the school. If she wants to reach her school in 15 minutes, what should be
her average speed?
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Answer 1

Answer:

Disha's speed = 12km/ hr or

12× 1000/ 60

= 200m/ min.

She takes time = 20min.

Distance she travels = Speed× time

200 ×12 = 2400meters

If she takes time = 15min

then speed = distance/ time

2400/15

160m/ min

Hope it may help you

Answer 2

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