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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

The shadow of a pole with height of 8 m is 6 m. If the shadow of another pole measured at the same time is 30 m, find the height of the pole?

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प्रश्न

The shadow of a pole with height of 8 m is 6 m. If the shadow of another pole measured at the same time is 30 m, find the height of the pole?

योग
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उत्तर

Let the required height of the pole be ‘x’ m.

Height of pole in m 8 x
Length of shadow in m 6 30

Height of the pole and its shadow are in direct proportion

∴ `(x_1)/(y_1) = (x_2)/(y_2)`

`8/6 = x/30`

x = `(8 xx 30)/6`

x = 40

∴ Height of the pole x = 40 m.

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अध्याय 4: Direct and Inverse Proportion - Exercise 4.1 [पृष्ठ ७७]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 4 Direct and Inverse Proportion
Exercise 4.1 | Q 6 | पृष्ठ ७७

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