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)
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firstly find vol of wall = 45×3×10
then divide it with the vol of brick =22.5×10×7.5
you get your answer do it
then divide it with the vol of brick =22.5×10×7.5
you get your answer do it
Alanaaron:
Yo did you check cm and m
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it is very easy
so, no. of bricks=10×0.45×3/0.225×0.1×0.075= your required answer
so, no. of bricks=10×0.45×3/0.225×0.1×0.075= your required answer
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