answer sourup 1998 and if any one is genius here
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9.
Given edge of each cube = 1.5cm.
Volume of each cube = (1.5)^3
= 3.375cm^3.
Given that it is cast into a dozen smaller cubes.
Therefore, volume of the cubical block of gold = 3.375 * 12
= 40.5cm^3.
10.
Given volume of the wall = 15m * 20cm * 3m
= 1500cm * 20cm * 300cm.
Given volume of the bricks = 25cm * 10 * 7.5.
We know that Number of bricks = Volume of the wall/volume of bricks
= 1500 * 20 * 300/25 * 10 * 7.5
= 9000000/1875
= 4800.
Hope this helps!
Given edge of each cube = 1.5cm.
Volume of each cube = (1.5)^3
= 3.375cm^3.
Given that it is cast into a dozen smaller cubes.
Therefore, volume of the cubical block of gold = 3.375 * 12
= 40.5cm^3.
10.
Given volume of the wall = 15m * 20cm * 3m
= 1500cm * 20cm * 300cm.
Given volume of the bricks = 25cm * 10 * 7.5.
We know that Number of bricks = Volume of the wall/volume of bricks
= 1500 * 20 * 300/25 * 10 * 7.5
= 9000000/1875
= 4800.
Hope this helps!
thanks a lot
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