# Basic Mathematics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 63 - 67 of 164

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## Question number: 63

» Basic Mathematics » Geometry » Triangle and Properties

MCQ▾

### Question

Let P be an interior point of a triangle ABC. Let Q and R be the reflections of P in AB and AC, respectively. If Q, A, R are collinear then ∠A equals -

### Choices

Choice (4) Response

a.

900

b.

600

c.

300

d.

1200

## Question number: 64

» Basic Mathematics » Arithmetic » Solving Expressions

MCQ▾

### Question

If α, β, γ and θ are positive real numbers such that,

, then find the value of,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 65

» Basic Mathematics » Geometry » Quadrilateral and Properties

MCQ▾

### Question

The area of a rectangular PQRS is 36. Points M and N are on the side RS, such that PM = QN = 5. Find the length of MN. (Lengths of sides of the rectangular are integer)

### Choices

Choice (4) Response

a.

5

b.

3

c.

4

d.

2

## Question number: 66

» Basic Mathematics » Geometry » Circle and Properties

MCQ▾

### Question

Suppose P is a point on the circle with centre O and radius 2; R is a point outside the circle such that in triangle PRO, ∠POR = 40. Let S be the point where the segment PS intersects the given circle. If PS = SR, then measure of ∠SRP equals,

### Choices

Choice (4) Response

a.

460

b.

880

c.

440

d.

480

## Question number: 67

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

### Question

A man standing on a railway platform noticed that a train took 21 seconds to cross the platform (this means the time elapsed from the moment the engine enters the platform till the last compartment leaves the platform) which is 88 meters long, and that it took 9 seconds to pass him. Assuming that the train was moving with uniform speed, what is the length of the train in meters?

### Choices

Choice (4) Response

a.

60

b.

66

c.

55

d.

72

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