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Test: Surface Area Of A Cone


10 Questions MCQ Test Mathematics (Maths) Class 9 | Test: Surface Area Of A Cone


Description
This mock test of Test: Surface Area Of A Cone for Class 9 helps you for every Class 9 entrance exam. This contains 10 Multiple Choice Questions for Class 9 Test: Surface Area Of A Cone (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Surface Area Of A Cone quiz give you a good mix of easy questions and tough questions. Class 9 students definitely take this Test: Surface Area Of A Cone exercise for a better result in the exam. You can find other Test: Surface Area Of A Cone extra questions, long questions & short questions for Class 9 on EduRev as well by searching above.
QUESTION: 1

The area surrounded by a conical tent is 4526 m2. If the cost of canvas is Rs. 17 per square meter, then find the total cost of canvas.​

Solution:

total cost = area of canvas used x cost of per meter square canvas

= 4526 x 17 

= Rs. 76942

QUESTION: 2

The height of a right circular cone is 3 cm and its base radius is 4 cm. Find the curved surface area of the cone

Solution:
QUESTION: 3

A conical tomb of base diameter 24m and height 16 m. What is the curved surface area?

Solution:
QUESTION: 4

The curved surface area of a right circular cone whose slant height is 14 cm and base radius is 21 cm is​
Solution:

L = 14 cm
R = 21 cm
C S A of Cone = πRL
22/7 * 21 * 14 cm
22 * 21 * 2 cm
462 * 2 cm
924 cm2

QUESTION: 5

A conical tent is 15 m high and the radius of its base is 20 m. The cost of the canvas required to make the tent at the rate of Rs 7 per m2 is​
Solution:
QUESTION: 6

The solid generated by the rotation of a right triangle about one of its sides containing the right angle is called a ………
Solution: When the triangle is rotated about its side it becomes the height of the cone and the other side containing the right angle becomes the radius..
QUESTION: 7

The total surface area of a cone of slant height 9 cm and radius 5 cm is​
Solution:
QUESTION: 8

A right circular cone has an altitude of 40 cm and a diameter of 60 cm. The slant height of the cone is
Solution:
QUESTION: 9

An ice cream cone has base radius 6 cm and altitude 8 cm. The total surface area of 21 such cones is​
Solution:
QUESTION: 10

The curved area of a cone is 242 cm2 and its radius and slant height are in the ratio 7:11. Calculate the radius of the cone.​
Solution:

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