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The height of a tower is 20 m and casts 12 m long shadow. How long will shadow casts of the tower is of height 35 m.
1. 21 m
2. 40 m
3. 42 m
4. 56 m

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Correct Answer - Option 1 : 21 m

Given:

The tower of height 20 m casts a shadow of 12 m.

Calculation:

As, the tower of height 20 m casts a shadow of 12 m.

∴ The tower of 1 m length, casts shadow of (12 ÷ 20) m 

⇒ The shadow casts by 35 m tree = (12 ÷ 20) × 35

= 21 m

∴ The tower of length 35 m casts 21 m of shadow.

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