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

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## 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 is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Three Dimensional Geometry » Equations of 3-D Lines, Planes, and Solids in Different Forms

Appeared in Year: 2013

MCQ▾

### Question

Suppose that the earth is a sphere of radius . 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.

b.

c.

d.

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