Mathematics-Surface Areas & Volumes [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 113

Access detailed explanations (illustrated with images and videos) to 2000 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 550.00 -OR-

How to register? Already Subscribed?

Question 1

Surface Areas & Volumes
Edit

Question

MCQ▾

A cylindrical rod whose height is 4 times of its radius is melted and recast into spherical balls of same radius. The number of balls will be

Choices

Choice (4)Response
a.12
b.2
c.6
d.3

Question 2

Surface Areas & Volumes
Edit

Question

MCQ▾

The cost of painting the TSA of cone at is Rs. 35.2. The volume of the cone its slant height being 50 cm is

Choices

Choice (4)Response
a.
b.
c.
d.

Question 3

Surface Areas & Volumes
Edit

Question

MCQ▾

With a bucket of radius 14 cm and height 8 cm, 2 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 4

Surface Areas & Volumes
Edit

Question

MCQ▾

The lateral surface area of cylinder is and base area . Then its volume is ________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 5

Surface Areas & Volumes
Edit

Question

MCQ▾

With a bucket of radius 7 cm and height 4 cm, 4 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 6

Surface Areas & Volumes
Edit

Question

MCQ▾

From a circle of radius 30 cm a sector with angle is cut out and its bounding radii are bent so as to form a cone. Then its volume is

Choices

Choice (4)Response
a.
b.
c.
d.

Question 7

Surface Areas & Volumes
Edit

Question

MCQ▾

The lateral surface area of a right circular cylinder with base diameter 28 cm and height 12 cm is

Choices

Choice (4)Response
a.
b.
c.
d.All of the above