The radius of a spherical balloon increa...

The radius of a spherical balloon increases from 7 cm to 14 cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases.

Text Solution

Verified by Experts

The correct Answer is:

`1:4`

Topper's Solved these Questions

VOLUME AND SURFACE AREA
ARIHANT SSC|Exercise MULTI CONCEPT QUESTIONS|4 Videos
VOLUME AND SURFACE AREA
ARIHANT SSC|Exercise FAST TRACK PRACTICE|111 Videos
UNITARY METHOD
ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTIONS|9 Videos
WORK AND TIME
ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTION|16 Videos

Similar Questions

Explore conceptually related problems

The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it.Find the ratio of surface areas of the balloon in the two cases.

The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratios of the surfcae area of the balloom in the two cases is

The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it.Find the ratio of surface areas of the original balloon to the resulting new balloon.

The radius of hemispherical balloon increases from 6cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloons in two cases is

The radius of a spherical balloon increases from 6 cm to 10 cm when more air is pumped into it. The ratio in the surface area of the original balloon and the inflated balloon is:

The surface of a spharical balloon is increase of its volume when its radius is 6 cm.

Find the surface area of a sphere of radius 7cm.

If the radius of a spherical balloon increases by 0.1% then its volume increases approximately by

The radius of spherical balloon is increasing at the rate of 5 cm per second. At what rate is the surface of the balloon increasing, when the radius is 10 cm?

ARIHANT SSC-VOLUME AND SURFACE AREA -FAST TRACK PRACTICE

The radius of a spherical balloon increases from 7 cm to 14 cm as a...
Text Solution
|
The side of a cube measures 9 cm. What will be the diagonal of the cub...
Text Solution
|
The diagonal of a cube is 2sqrt3 cm. Find the surface area of the cube...
Text Solution
|
If the total surface area of a cube is 6 sq units, then what is the vo...
Text Solution
|
If the volume of a cube is 729 cubic cm, what is the length of its dia...
Text Solution
|
Find the surface area of a cuboid 10 m long, 5 m broad and 3 m high.
Text Solution
|
The surface area of a cube is 726 sq cm. Find the volume of the cube.
Text Solution
|
The volume of a cuboid is 1989 cm^3, while its length and breadth are ...
Text Solution
|
Three cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube...
Text Solution
|
The maximum length of a pencil that can be kept in a rectangular box o...
Text Solution
|
Internal length, breadth and height of a rectangular box are 10 cm, 8 ...
Text Solution
|
A metal box measures 20 cm xx 12 cm xx 5 cm. Thickness of the metal is...
Text Solution
|
How many cubes of 3 cm edge can be cut out of a cube of 18 cm edge?...
Text Solution
|
A cube has each edge 2 cm and a cuboid is 1 cm long, 2 cm wide and 3 c...
Text Solution
|
The whole surface area of a rectangular block is 8788 sq cm. If length...
Text Solution
|
If the areas of the three adjacent faces of a cuboidal box are 120 ...
Text Solution
|
The capacity of a cuboid tank of water is 50000 L. Find the breadth of...
Text Solution
|
The paint in a certain container is sufficient to paint an area equ...
Text Solution
|
What are the dimensions (length, breadth and height, respectively) of ...
Text Solution
|
The volume of a cube is numerically equal to the sum of its edges. ...
Text Solution
|
If each side of a cube is decreased by 19%, then decrease in surface a...
Text Solution
|