Question 107
In 10 minutes a person can walk around a rectangular field of 300 m X 200 m. The speed (in kmph) of the person is
Solution
Perimeter of the rectangular = 2(300+200) = 2 x 500 = 1000 m
Distance walked in 10 mins = 1000 m
Hence, Distance walked in 60 mins = 1000 x 6 = 6000 m = 6km
$$\therefore\ $$Speed of the person = 6kmph
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