Three Dimensional Geometry (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Math): Questions 1 - 2 of 2

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 155 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 150.00 or

Question number: 1

» Three Dimensional Geometry » Ratios and Direction Cosines

Appeared in Year: 2010

MCQ▾

Question

Let V1 be the volume of a given right circular cone with O as the centre of the base and A as its apex. Let V2 be the maximum volume of the right circular cone inscribed in the given cone whose apex is O and whose base is parallel to the base of the given cone. Then the ratio V2V1 is –

Choices

Choice (4) Response

a.

49

b.

827

c.

325

d.

427

Question number: 2

» Three Dimensional Geometry » Equations of a Line and a Plane in Different Forms

Appeared in Year: 2013

MCQ▾

Question

Suppose that the earth is a sphere of radius 6400km . The height from earth’s surface from where exactly a fourth of the earth’s surface is visible, is – (Model Paper)

Choices

Choice (4) Response

a.

3200km

b.

32003km

c.

32002km

d.

6400km

Sign In