हिंदी

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? - Mathematics

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प्रश्न

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?

योग

उत्तर

∵ 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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अध्याय 10: Direct and Inverse Proportions - Exercise [पृष्ठ ३२४]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 10 Direct and Inverse Proportions
Exercise | Q 82. | पृष्ठ ३२४

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