Raise in water level by 1 person = 0.04m3Raise in water level by 500 persons = 500 × 0.04 = 20 m3Now, let the raise in water level be ‘h’ m.∴ Volume of raise in water = Length of pond × breadth of pond × raise in water⇒ 20 = 80 × 50 × h

Q. 27

500 persons are t

Class 10th Mathematics - Board Papers

Answer :

Raise in water level by 1 person = 0.04m³

Raise in water level by 500 persons = 500 × 0.04 = 20 m³

Now, let the raise in water level be ‘h’ m.

∴ Volume of raise in water = Length of pond × breadth of pond × raise in water

⇒ 20 = 80 × 50 × h

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