There is a room of length,breath,height of 10m,15m,3m respectively and dimensions of a brick is 6cm by 12cm by 10cm. Find the no. of bricks used in making the room?
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biranjansinha11:
wrong
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and there is 625000 not 62500
acchA
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Total volume of the room=(10×15×3)metre cube =450 metre cube.
totlal volume of a brick = (6/100×12/100×10/100)metre cube
=720/1000000metre cube
No. of bricks needed =(vol. of the room)/(vol. of a brick)
So, no of bricks needed=(450)/(720/1000000)
=(450×1000000)/720
=625000 bricks.....
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totlal volume of a brick = (6/100×12/100×10/100)metre cube
=720/1000000metre cube
No. of bricks needed =(vol. of the room)/(vol. of a brick)
So, no of bricks needed=(450)/(720/1000000)
=(450×1000000)/720
=625000 bricks.....
Hope it helps!
plz mark me as brainliest and don't forget to follow me..
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