Mensurationmedium · Past Paper
How many bricks each of size 25cm x 10cm x 8cm will be required to build a wall 5m long, 3m high and 16cm thick?
A1200
B1000
C1500
D2000
✓ Correct Answer: A — 1200
Vol of wall = 500*300*16. Vol of brick = 25*10*8. Number = (500*300*16) / (25*10*8) = 20 * 30 * 2 = 1200.
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