A cylindrical bucket of height 150 cm and radius 50 cm is full of water. A person wants to fill spherical balloons of radius 5 cm each with the water in the bucket. How many balloons can he fill completely with the water present in the bucket?
A cylindrical bucket of height 150 cm and radius 50 cm is full of water. A person wants to fill spherical balloons of radius 5 cm each with the water in the bucket. How many balloons can he fill completely with the water present in the bucket? Correct Answer 2250
Given:
A cylindrical bucket of height 150 cm and radius 50 cm is full of water.
It is needed to be filled with some spherical balloons of the radius of 5 each
Concept used:
Volume of a cylinder = πr2h
Volume of a sphere = (4/3)πr3
r = radius of sphere and base of the cylinder
h = height
Calculation:
Let n number of spherical balloons be required
According to the question,
π × 502 × 150 = (4/3) × π × 53 × n
⇒ 2500 × 150 = (4/3) × 125n
⇒ 20 × 150 = (4/3)n
⇒ 3000 = (4/3)n
⇒ n = (3/4) × 3000
⇒ n = 2250
So, a total of 2250 balloons are required
∴ 2250 balloons can he fill completely with the water present in the bucket.