Question 28

A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips?

Name: A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips?
Uploaded: May 10, 2022, 11:02 a.m.
Duration: 1 min 54 s
Description: A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips?

Solution

Return speed = $$\frac{40}{100}$$ x 150 = 60 kmph
Average speed = $$\frac{2 \times 40 \times 60}{(40 + 60)}$$
$$\frac{4800}{100}$$ = 48kmph

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SBI PO 2017

A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips?

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