Forums
Updated on August 21, 2023

DATA MINING TUTORIAL

64 Posts

NUMBER SYSTEM

274 Posts

POLITICS

120 Posts

JAVASCRIPT INTERVIEW QUESTIONS

59 Posts

Can’t find an answer?

Can’t find an answer?

Ask us to get the answer

Ask a Question

A triangle having sides equal to 7cm, 24cm and 25cm forms a cone when revolved about 24cm side. What is the volume of a cone formed?

(a) 1225cm^3

(b) 1232cm^3

(c) 4000cm^3

(d) 3696cm^3

This question was posed to me in semester exam.

Question is taken from Volume of a Right Circular Cone in portion Surface Areas and Volumes of Mathematics – Class 9

Total surface are of a hemisphere of radius “r” is equal to __________

(a) 2πr^2

(b) 4πr^2

(c) 3πr^2

(d) πr^2

The question was posed to me during an internship interview.

Origin of the question is Surface Area of a Sphere in chapter Surface Areas and Volumes of Mathematics – Class 9

Volume of a sphere of radius r is equal to __________

(a) \(\frac{4}{3} πr^3\)

(b) πr^2h

(c) \(\frac{1}{3}\) πr^2h

(d) \(\frac{2}{3} πr^3\)

I got this question in a job interview.

My question comes from Volume of a Sphere in section Surface Areas and Volumes of Mathematics – Class 9

A glass of cylindrical shape has radius of 3.5cm and height equal to 8cm. A water jug has a volume equal to 1540cm^3. How many times the water has to be poured from glass to fill the jug completely? (Take π = \(\frac{22}{7}\))

(a) 6

(b) 5

(c) 4.5

(d) 4

I had been asked this question in semester exam.

Question is from Volume of a Cylinder in division Surface Areas and Volumes of Mathematics – Class 9

Volume of a cylinder having radius r and height h is given by __________

(a) r * h^2

(b) h * r^2

(c) πr^2h

(d) \(\frac{1}{3}\)πr^2h

I have been asked this question by my school principal while I was bunking the class.

Enquiry is from Volume of a Cylinder in chapter Surface Areas and Volumes of Mathematics – Class 9

A wall of dimensions 3m * 12cm * 7m is to be made by using bricks of dimesions 25cm * 12cm * 10cm. How much bricks are required to construct the wall?

(a) 825

(b) 820

(c) 850

(d) 840

I had been asked this question in an online quiz.

My query is from Volume of a Cuboid in section Surface Areas and Volumes of Mathematics – Class 9

A hemispheric dome of radius 3.5m is to be painted at a rate of ₹600/m^2. What is the cost of painting it? (Take π = \(\frac{22}{7}\))

(a) ₹46200

(b) ₹45000

(c) ₹47260

(d) ₹48375

The question was asked in homework.

This key question is from Surface Area of a Sphere in division Surface Areas and Volumes of Mathematics – Class 9

A man has built a cubical water tank in his house. All sides of it are equal to 1.8m. All sides except the base are to be covered by tiles having equal sides of 30cm. How much money will he spend on tiles if cost of tiles is ₹400/dozen?

(a) ₹7000

(b) ₹7200

(c) ₹6000

(d) ₹6500

This question was addressed to me during an interview for a job.

I want to ask this question from Surface Area of a Cuboid and a Cube in section Surface Areas and Volumes of Mathematics – Class 9

The curved surface area of a cone is 1980 cm^2 and its radius is 21cm, what is the slanted height of a cone? (Take π = \(\frac{22}{7}\))

(a) 25cm

(b) 28cm

(c) 35cm

(d) 30cm

This question was addressed to me in final exam.

This question is from Surface Area of a Right Circular Cone in division Surface Areas and Volumes of Mathematics – Class 9

A steel pipe has outer radius equal to 3cm and inner radius equal to 2cm. Its length is equal to 5m. What is the mass of the pipe if one cm^3 of steel is 8.05 gram? (Take π = \(\frac{22}{7}\))

(a) 63.25 kg

(b) 65 kg

(c) 67 kg

(d) 61 kg

The question was posed to me in unit test.

I’d like to ask this question from Volume of a Cylinder topic in portion Surface Areas and Volumes of Mathematics – Class 9

Viewing 15 topics - 31 through 45 (of 198 total)

1 2 3 4 … 12 13 14
  • You must be logged in to create new topics.