Question

(e) A motor car covered a distance of 50 km four times. The first time at 50 km p.h., the second at 20 km ph, the
Nird at 40 km p.h and the fourth at 25 km ph. Calculate the average speed and explain the choic of the average​

Answer 1

Answer:

Avg speed = 36.25 km/h

Explanation:

We know that ,

${\bigstar}{\boxed{\sf{\pink{Average \: speed = \frac{sum \: of \: observations}{No. \: of \: observation}}}}}$

${\implies{\sf{\frac{50km+20km+40km+25km}{4}}}}$

${\implies{\sf{\frac{145}{4}}}}$

${\implies{\boxed{\sf{36.25km/h}}}}$

Answer 2

Answer:

36.25 km/h

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