Question 65

Shekhar walked a distace at a speed of 8 km/h. He was in a hurry, so on the return journey he travelled in an autorickshaw at a speed of 24 km/h. Find his average speed for the entire journey?

Solution

As we know,

Average Speed = $$\frac{2xy}{x+y}$$

Where x = Walking Speed and y = speed in auto rickshaw

=$$\frac{2\times\ 8\times\ 24}{8+24}=\frac{384}{32}=12\ \frac{km}{hr}$$

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