How many bricks each 25 cm by 15 cm by 8 cm, are required for a wall 32 m long, 3
m high and 40 cm thick? Also calculate the cost of building the wall if each brick
costs Rs 8 and for every 1000 tiles Rs 500 is to be paid as labour charge
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Step-by-step explanation:
no. of bricks = vol. of wall/vol. of 1 brick
= 32m×3m×40cm/25cm×15cm×8cm
= 3200×300×40/25×15×8
= 38400000/3000
= 12800
cost of 1bricks = 8
cost of 12800 bricks = 12800×8
= 102400
labour cost of 1000 tiles = 500
labour cost of 1 tiles= 500/1000
labour cost of 1 tiles= 1/2
labour cost of 12800 tiles= 1/2(12800)
labour cost of 12800 tiles = 6400
total cost of building= 12800+6400
total cost of building= 19200
#666
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