A rectangular pit 14 m long 90 cm broad and 70 cm deep was dug and 1000 bricks of base 21 cm by 105 ...

Question

A rectangular pit 14 m long 90 cm broad and 70 cm deep was dug and 1000 bricks of base 21 cm by 105 cm were made from the earth dugout Find the height of each brick

Accepted Answer

Here l 14 m 140 cm b 90 cm and h 70 cm The volume of rectangular pit l b h 140 90 70 cmsup3sup 882000 cmsup3sup Volume of brick 21 105 h Now Number of bricks Volume of pit Volume of brick 1000 882000 21 105 h h 882000 21 105 1000 4 cm Thus the height of each brick is 4 cm

ML Aggarwal Solutions Class 8 Mathematics Solutions for Mensuration Exercise 18.3 in Chapter 18 - Mensuration