EXERCISE 7.1Which of the following numbers are not perfect cube 216i) 128Gi) 10002. Find the smallest number by which each of the followingto obtain a perfect cube.343 ) 25672W 1003. Find the smallest number by which each of the following numberhan a perfect cube 128(m) 1357044 Pakshit makes a cuboid of plasticine of sides 5 cm, 2cm.cuboids will be need to form a cube?

EXERCISE 7.1Which of the following numbers are not perfect cube 216i)

1.	EXERCISE 7.1Which of the following numbers are not perfect cube 216i) 128Gi) 10002. Find the smallest number by which each of the followingto obtain a perfect cube.343 ) 25672W 1003. Find the smallest number by which each of the following numberhan a perfect cube 128(m) 1357044 Pakshit makes a cuboid of plasticine of sides 5 cm, 2cm.cuboids will be need to form a cube?
Answer» 2) b) 256/2=148/2=64/2=32/2=16/2=8/2=4/2=2; 256 = 4x4x4x4; 2) c) 72/3=24/3=8/2=4/2=2; 72/2=36/2=18/2=9/3=3;