53) A Brick measures 20cm x 10cm for a wall 25m long 2m high and m thick? 53) A Brick measures 20cm x 10cm 72 cm x 5em. How many bricks will be required 2 3 204 4 ose ervas 2 e 30
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Step-by-step explanation:
dimensions of the brick is = 20cm × 10cm × 7.5cm (15/2)
• dimensions of the wall is = 25m × 2m × 0.75m (3/4m)
in cms :-
25m = 25 × 100 = 2500cm, 2m = 2 × 100 = 200cm and 0.75m = 0.75 × 100 = 75cm.
volume of the brick = l × b × h
= 20 × 10 × 7.5
= 1500cm³
volume of the wall = l × b × h
= 2500 × 200 × 75
= 37500000cm³
therefore no. if bricks required for the wall = (volume of wall)/(volume of the brick)
= 37500000/1500
= 25000 bricks
hence, correct option is a) 25000 bricks are required for the wall.
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