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- A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%.
Question 1:
A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%.What is his average speed for the both the trips?
A. 35 kmph
B. 45 kmph
C. 40 kmph
D. 48 kmph
Feedback Speed on return trip = 150% of 40 = 60 kmph
Average speed
=[2 x 40 x 60] / [40 + 6]km/hr =4800/100km/hr = 48 km/hr.
Average speed
=[2 x 40 x 60] / [40 + 6]km/hr =4800/100km/hr = 48 km/hr.
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