## A capsule of medicine is in the shape of a sphere of diameter 3.5mm. How much medicine (in mm3) is needed to fill this capsule? (Assume π = 22/7) Q.10

• 0

Hello sir i want to know the answer of the question from surface areas and volumes of exercise 13.8 of ...Read more

## Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’. Find the (i) radius r’ of the new sphere, (ii) ratio of Sand S’. Q.9

• 0

I don’t know how to solve this problem of Surface Areas and Volumes of exercise 13.8 of class 9th math ...Read more

## A dome of a building is in the form of a hemi sphere. From inside, it was white-washed at the cost of Rs. 4989.60. If the cost of white-washing isRs20 per square meter, find the (i) inside surface area of the dome (ii) volume of the air inside the dome (Assume π = 22/7) Q.8

• 0

What are the different way for solving the question for class 9th question of Surface Areas and Volumes chapter of ...Read more

## Find the volume of a sphere whose surface area is 154 cm2. (Assume π = 22/7) Q.7

• 0

sir what is the best way for solving the question of class 9th chapter of Surface areas and Volumes chapter ...Read more

## A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. (Assume π = 22/7) Q.6

• 0

Give me the best and simple way for solving the question of class 9th of Surface areas and Volumes chapter ...Read more

## How many litres of milk can a hemispherical bowl of diameter 10.5cm hold? (Assume π = 22/7) Q.5

• 0

What is the simplest way for solving the question of class 9th of exercise 13.8   of math of question no.5 ...Read more

## The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon? Q.4

• 0

How can i solve this tough question of class 9th ncert of Surface areas and Volumes of math of exercise ...Read more

## The diameter of a metallic ball is 4.2cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm3? (Assume π=22/7) Q.3

• 0

Give me the best way for solving the question of class 9th of Surface areas and Volumes of exercise 13.8 ...Read more

## Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m (Assume π =22/7) Q.2

• 0

How i find the best tricky way for solving the question of class 9th of Surface areas and Volumes chapter ...Read more

## Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m (Assume π =22/7) Q.1

• 0

What is the easiest way for solving the question of class 9th ncert math of exercise 13.8  of math of ...Read more