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Question
At a particular time, the length of the shadow of Qutub Minar whose height is 72 m is 80 m. What will be the height of an electric pole, the length of whose shadow at the same time is 1000 cm?
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Solution
∵ Length of Qutub Minar = 72 m
And its shadow at particular time = 80 m
Length of shadow of electric pole = 1000 cm = 10 m ...`[∵ 1 cm = 1/100 m]`
∴ Length of electric pole = `72/80 xx 10` = 9 m
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