Question

11. A brick has a cubical shape with an edge
of length 45 cm. How many such bricks
can fit in a room having length 4.5 m,
breadth 2.7 m and height 1.8 m?​

Answer 1

Answer:

240 bricks

Step-by-step explanation:

Volume of room=4.5 × 2.7 × 1.8 $cm^{3}$

= 2187 ×  $10^{4}$ $cm^{3}$

= 21870000 $cm^{3}$

Volume of brick = 45  $cm^{3}$

= 91125 $cm^{3}$

 No. of brick = 21870000 ÷ 91125

= 240