Question

The amount of air present in a cylinder when a vacuum pump removes 1/4 of the air remaining in the cylinder at a time.

Answer 1

Answer:

• Given

1/4 of the air is removed.

• Formula

Whole - Removed air

The whole quantity is 4/4

Therefore,

$\frac{4}{4} - \frac{1}{4} = \frac{3}{4}$

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