The edge of a cube is $20 c m$ . How many small cubes of $5 c m$ can be formed from this cube?

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

32

No worries! We‘ve got your back. Try BYJU‘S free classes today!

64

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

100

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $64$
Number of cubes formed $= \frac{V o l u m e o f c y l i n d e r o n e l a r g e c u b e}{V o l u m e o f o n e s m a l l c u b e}$

Volume of a cube of edge $a = a^{3}$

Hence, number of cubes formed $= \frac{20 \times 20 \times 20}{5 \times 5 \times 5} = 64$

Suggest Corrections

Similar questions

20 c m

5 c m

Question 13

How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge?

(a) 10 (b) 100 (c) 1000 (d) 10000

30 cm \times 20 cm \times 10 cm

5 cm

4 c m

32 c m

Join BYJU'S Learning Program