One cube is cut in 8 equal cubes of each edge 4 cm then the volume of

1.	One cube is cut in 8 equal cubes of each edge 4 cm then the volume of bigger cube is …………… A) 125 cm3 B) 512 cm3 C) 160 cm3 D) None
Answer» Correct option is B) 512 cm³ Remove small word from question volume of cube whose edge length is 4 cm is v = a³ = 4³ = 64 cm³. ∴ volume of 8 equal cubes whose edge length are 4 cm = 8 v = 8 × 64 = 512 cm³. Since, given cube is cut in 8 equal cubes of each edge is 4 cm. Therefore, volume of given cube = 8 × volume of one cube whose edge length is 4 cm. = 8 × 4³ = 8 × 64 = 512 cm³.

One cube is cut in 8 equal cubes of each edge 4 cm then the volume of bigger cube is …………… A) 125 cm3 B) 512 cm3 C) 160 cm3 D) None

Answer»

Correct option is B) 512 cm³

Remove small word from question volume of cube whose edge length is 4 cm is v = a³ = 4³ = 64 cm³.

∴ volume of 8 equal cubes whose edge length are 4 cm = 8 v = 8 × 64 = 512 cm³.

Since, given cube is cut in 8 equal cubes of each edge is 4 cm.

Therefore, volume of given cube = 8 × volume of one cube whose edge length is 4 cm.

= 8 × 4³ = 8 × 64 = 512 cm³.