Question

14. Find the number of bricks each measuring 25 cm * 12.5 cm x 7.5 cm, required to construc
12 m long, 5 m high and 0.25 m thick, while the sand and cement mixture occupies 5% of
volume of the wall?
​

Answer 1

Answer:

Answer is 320

Explanation:

given l,b,h of 1 brick is 25,12.5,7.5 cm

let no. of bricks is n

ATQ

volume of total bricks=volume of wall x 5percent

putting values

25 x 12.5 x 75 x n = 1200 x 500 x 25 x 5/100

all in cm

we get n=320

so no. of bricks is 320

hope its helpful

pls mark brainliest