SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 5

MEDIUM

10th West Bengal Board

IMPORTANT

Earn 100

The lateral surface of a right circular cone is $550 sq . cm$ and slant height is $25 cm$ . Find the volume of the cone in ${cm}^{3}$ .

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Important Questions on Right Circular Cone

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 6

The height of wooden toy in the form of right circular cone is

24 cm

and the volume

1232 c . c

. Find the cost

(in ₹)

to polish the whole surface of the toy at the rate of

₹ 2.50 per sq . cm

.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 7

The amount of tripol to make right circular conical tent is

77 sq - m

. If the slant height of the tent is

7 m

, find area of base of the tent in

sq - m

.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 7

The area of base of a pyramid in the form of a right circular cone is

154 sq - m

and volume

1232 cubic - m

. Find the lateral surface area of the pyramid in

sq - m

.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 7

The cloth required to make a right circular conical tent is

188 \frac{4}{7} sq - m

. If the circumference of the base of the tent is

37 \frac{5}{7} m

. Find the slant height, radius and height of the tent.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 8

The diameter of base of a pyramid in the form of right circular cone is

56

metre and the area of the lateral surface is

3080 sq - m

. Find the height of the pyramid in

m

.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 9

The radius of base of a wooden toy in the form of a right circular cone is

5 cm

.

₹ 19.80

is required to polish the whole surface of the toy at the rate of

₹ 0.07

per sq.cm. Find the height of the toy in

cm

.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 10

A water tank in the form of right circular cone has inside diameter of the base

28

metre and height

18

metre. What is the capacity of the tank in litres?

[1 litre = 1 cubic decimetre]

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 22 - Right Circular Cone>EXERCISE 4>Q 11

A conical hill has a slant height

2.5 km

and the area of the base

1.54 sq . km

. Find the height of the hill in

km

.