An electric pole, 14 metres high, casts a shadow of 10 metres. The height of a tower that casts a shadow of 300 metres under similar conditions is: (in metres)

140

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480

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420

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280

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Solution

The correct option is C
420

Let h represents the height of the tower that casts 300 m long shadow.

$\frac{14}{h} = \frac{10}{300}$

10 x h = 14 x 300

h = 420 metres

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An electric pole, 14 metres high, casts a shadow of 10 metres. The height of a tower that casts a shadow of 300 metres under similar conditions is: (in metres)

The correct option is C 420 Let h represents the height of the tower that casts 300 m long shadow. 14h=10300 10 x h = 14 x 300 h = 420 metres

The correct option is C
420

Let h represents the height of the tower that casts 300 m long shadow.

$\frac{14}{h} = \frac{10}{300}$

10 x h = 14 x 300

h = 420 metres