# RS Aggarwal Solutions Class 9 Mathematics Solutions for Volume And Surface Area Of Solids Exercise 15A in Chapter 15 - Volume And Surface Area Of Solids

Question 5 Volume And Surface Area Of Solids Exercise 15A

A matchbox measure 4cm × 2.5cm × 1.5 cm. What is the volume of a packet containing 12 such matchboxes?

It is given that

Length of the matchbox = 4cm

Breadth of the matchbox = 2.5cm

Height of the matchbox = 1.5cm

We know that

Volume of one matchbox = volume of cuboid = l × b × h

By substituting the values

Volume of one matchbox = 4 × 2.5 × 1.5

By multiplication

Volume of one matchbox = 15 cm3

So the volume of 12 such matchboxes = 12 × 15 = 180 cm3

Therefore, the volume of a packet containing 12 such matchboxes is 180 cm3.

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