Math, asked by alok43, 1 year ago

how many bricks each 25cm long and 10cm wide and 7.5cm thick will be require for a wall 15m the 2.5m high and 1.25 thick

Answers

Answered by cutepal
3
first find bricks needed for 1st and then apply it on 2nd part
Answered by arpitgope
30
volume of one bricks = L x W x T=25 x 10 x 7.5 cube cm = 1875 cube cm
The volume of the well = L x W x T = 15 m x 2.5 1875m x 1.25 m = 1500 cm X 250 cm x 125 cm = 46875000 cube cm.
Therefore the number of bricks = 46875000/1875 =25000
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