Basic Mathematics-Geometry (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 19 - 23 of 24

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Question number: 19

» Basic Mathematics » Geometry » Polygons With More Than 4 Sides

Appeared in Year: 2015

MCQ▾

Question

Suppose is a hexagon such that and . If the vertices A, B, C, D, E, F are concyclic, the radius of the circle passing through them is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 20

» Basic Mathematics » Geometry » Advanced Therorems and Properties

Appeared in Year: 2015

MCQ▾

Question

The sides of a right –angled triangle are integers. The length of one of the sides is 12. The largest possible radius of the in-circle of such a triangle is –

Choices

Choice (4) Response

a.

3

b.

4

c.

5

d.

2

Question number: 21

» Basic Mathematics » Geometry » Circle and Properties

Appeared in Year: 2015

MCQ▾

Question

Among all sectors of a fixed perimeter, choose the one with maximum area. Then the angle at the centre of this sector (i. e. , the angle between the bounding radii) is –

Choices

Choice (4) Response

a.

b.

c.

d.

2

Question number: 22

» Basic Mathematics » Geometry » Advanced Therorems and Properties

Appeared in Year: 2015

MCQ▾

Question

A mirror in the first quadrant is in the shape of a hyperbola whose equation is . A light source in the second quadrant emits a beam of light that hits the mirror at the points . If the reflected ray is parallel to the axis, the slope of the incident beam is –

Choices

Choice (4) Response

a.

b.

c.

2

d.

Question number: 23

» Basic Mathematics » Geometry » Advanced Therorems and Properties

Appeared in Year: 2016

MCQ▾

Question

In a circle with centre , suppose are three points on its circumference such that is the mid – point of minor arc . Suppose when ,

If is doubled to , then the ratio is –

Choices

Choice (4) Response

a.

b.

c.

d.

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