Question

A rectangular pit 1.4 m long,90cm broad and 70cm deep was dug and 1000 bricks of Base 21cm by 10.5cm were made from the earth dug out.find the height of each bricks.

Answer 1

The height of the bricks made is equal to 4.2 cm.

Total volume of the rectangular pit dug out from the ground = 140 × 90 × 70 = 882000 cm³

Let the height of the bricks made be h.

Volume of the 1000 bricks = 1000 × 20 × 10.5 × h

= 210000h cm³

Volume of 1000 bricks = Volume of the rectangular pit dug from the ground

=> 210000h = 882000

=> h = 4.2 cm

The Height of the bricks made = 4.2 cm

Answer 2

Answer:

4 cm is the height

Step-by-step explanation:

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