Question

the shop has one spherical ladoo of radius 5cm with the same amount of

material, how many ladoos of radius 2.5cm can be made?

(a) 2 (b) 4 (c) 6 (d) 8​

Answer 1

Answer:

Volume of 1 larger laddoo = Volume of m nos. of smaller laddoos

Therefore,

3

4

πR

3

=m×

3

4

πr

3

⇒

3

4

π×5

3

=m×

3

4

π×2.5

3

⇒125=m×(

10

25

)

3

⇒m=8