A boy takes 20 minutes to reach the school at an average speed of 12 km/hour. If he wants to reach the school in 15 minutes, his average speed (in km/hour) will be

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Solution

The correct option is A 16
A boy takes $20 m i n$ to reach the school at an average speed $12 k m / h r$ .

Let he takes $15 m i n$ to reach the school at an average speed $x k m / h r$ .

Therefore,
$20 \times 12 = 15 \times x$
$x = 16 k m / h r$

Hence, this is the answer.

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Question 11

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
$(a) \frac{20}{3} k m / h$
(b)16 km/h
(c)20 km/h
(d) 15 km/h

Q. Amit cycles to his school at an average speed of

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A boy takes 20 minutes to reach the school at an average speed of 12 km/hour. If he wants to reach the school in 15 minutes, his average speed (in km/hour) will be

The correct option is A 16A boy takes 20 min to reach the school at an average speed 12 km/hr.Let he takes 15 min to reach the school at an average speed x km/hr.Therefore,20×12=15×xx=16 km/hrHence, this is the answer.

The correct option is A 16
A boy takes $20 m i n$ to reach the school at an average speed $12 k m / h r$ .

Let he takes $15 m i n$ to reach the school at an average speed $x k m / h r$ .

Therefore,
$20 \times 12 = 15 \times x$
$x = 16 k m / h r$

Hence, this is the answer.