RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 21. Mensuration-II (Volumes and Surface Areas of a Cuboid and a Cube)

Subject: Maths - Class 8th

Q. No. 18 of Exercise 21.4

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The external dimensions of a closed wooden box are 48 cm, 36 cm, 30 cm. The box is made of 1.5 cm thick wood. How many bricks of size 6 cm× 3 cm× 0.75 cm can be put in this box?


External dimensions of wooden box = 48cm×36cm×30cm

Dimensions of bricks = 6cm×3cm×0.75cm

Thickness of wood = 1.5 cm


Internal dimensions of box =

= 45cm ×33 cm× 27 cm


Number of bricks can be put in box = bricks

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