Question

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Q7, Q9​

Answer 1

7)

Height of the water tank = 2 m (Given)

Convert litres to m

1 litre = 0.001 m³

4200 litres = 4.2 m³

Find the height of the water that was pumped out:

Volume = Length x Breadth x height

4.2= 7 x 6 x height

4.2 = 42 x height

height = 4.2 ÷ 42 = 0.1 m