How many bricks of dimensions 22. 5 cm by 10cm by 7. 5cm each are required to built a wall 10m long, 45cm wide and 3m heigh (D)
How many bricks of dimensions 22. 5 cm by 10cm by 7. 5cm each are required to built a wall 10m long, 45cm wide and 3m heigh (D)
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
then divide it with the vol of brick =22.5×10×7.5
you get your answer do it
so, no. of bricks=10×0.45×3/0.225×0.1×0.075= your required answer