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Important Questions: Surface Area & Volumes


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10 Questions MCQ Test Mathematics (Maths) Class 10 | Important Questions: Surface Area & Volumes

Important Questions: Surface Area & Volumes for Class 10 2022 is part of Mathematics (Maths) Class 10 preparation. The Important Questions: Surface Area & Volumes questions and answers have been prepared according to the Class 10 exam syllabus.The Important Questions: Surface Area & Volumes MCQs are made for Class 10 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions: Surface Area & Volumes below.
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Important Questions: Surface Area & Volumes - Question 1

A funnel figure is the combination of

Important Questions: Surface Area & Volumes - Question 2

A surahi is the combination of

Detailed Solution for Important Questions: Surface Area & Volumes - Question 2

        

Important Questions: Surface Area & Volumes - Question 3

A cubical ice cream brick of edge 22 cm is to be distributed among some children by filling ice cream cones of radius 2 cm and height 7 cm upto its brim. How many children will get the ice cream cones?

Important Questions: Surface Area & Volumes - Question 4

Match the column 

Important Questions: Surface Area & Volumes - Question 5

The volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is

Detailed Solution for Important Questions: Surface Area & Volumes - Question 5

The volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is 19.404 cm3.


Edge of the cube = 4.2 cm

i.e 2r = 4.2

r = 4.2/2 = 2.1 cm

h = 4.2 cm

Volume of the cone = 1/3 * pi * r2 * h

=> 1/3 * 22/7 * 2.1 * 2.1 * 4.2

=> 19.404 cm3

Hence, the volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is 19.404 cm3.

Important Questions: Surface Area & Volumes - Question 6

The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is 

Detailed Solution for Important Questions: Surface Area & Volumes - Question 6

Edge of the cube = 4.2 cm
Diameter of base of largest possible cone = 4.2 cm
∴ Radius = 4.2/2 = 2.1 cm

Important Questions: Surface Area & Volumes - Question 7

A shuttle cock used for playing badminton has the shape of the combination of

Important Questions: Surface Area & Volumes - Question 8

How many bags of grain can be stored in a cuboid granary 12 m x 6 m x 5 m. If each bag occupies a space of 0.48 m3 ?

Detailed Solution for Important Questions: Surface Area & Volumes - Question 8

Important Questions: Surface Area & Volumes - Question 9

In a swimming pool measuring 90 m x 40 m, 150 men take a dip. If the average displacement of water by a man is 8 m3, then rise in water level is

Detailed Solution for Important Questions: Surface Area & Volumes - Question 9

Volume of water displaced = 150 x 8 = 1200 m3 
⇒ 90 x 40 x h = 1200
⇒ 

Important Questions: Surface Area & Volumes - Question 10

A solid piece of iron in the form of a cuboid of dimensions 49 cm x 33 cm x 24 cm, is moulded to form a solid sphere. The radius of the sphere is

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