Rahul makes a cuboid of plasticine of sides 3cm×3cm×5cm. How many such cubes will he need to form a cube? Pls solve with explanation.
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Answer:
He requires 75 such cuboids to form a cube.
Step-by-step explanation:
Vol. of cuboid = ( 3×3×5 ) cm^3
= 45 cm^3
Each side of a cube will be = ( LCM of 3, 3 & 5. ) cm
= 15 cm
Therefore, Vol. of cube = 3375 cm^3
Therefore, No. of cuboids required = vol. of cube / vol. of cuboid
= 3375 / 45
= 75 (ans.)
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