How many bricks each 10 cm long, 7.5 cm wide and 2.5cm thick will be required to build a wall 30m long, zm wide and 0.25m thick.? If the bricks sell at Rs.1500 per thousand, how much will it cost to build the wall.
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Answer:
Step-by-step explanation:
Volume of brick=25cm×10cm×7.5cm
=1875 cubic cm.
Volume of wall=20m×2m×0.75m
=2000cm×200cm×75cm
=30000000 cubic cm.
No. of bricks=30000000/1875
=16000.
CP of 1000 bricks=900
CP of 1 brick =900/1000=0.9
CP of 16000 brick=0.9×16000
=14400.
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