# Mathematics (NSTSE (National Science Talent Search Exam- Unified Council) Class 9): Questions 1 - 4 of 989

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## Question number: 1

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MCQ▾

### Question

In a quadrilateral PQRS, if and , then =________.

### Choices

Choice (4) Response

a.

b.

95°

c.

70°

d.

100°

## Question number: 2

» Mathematics » Areas of Parallelograms and Triangles

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MCQ▾

### Question

The diagonal of a square is 4 cm. Its area is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Mathematics » Circles

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MCQ▾

### Question

O is the center of a circle and if then is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

» Mathematics » Circles

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MCQ▾

### Question

A chord of a circle is 8 cm in length and its distance from the center is 3 cm. Find the length of the chord of the same circle which is at a distance of 4 cm from the center.

### Choices

Choice (4) Response

a.

10 cm

b.

12 cm

c.

6 cm

d.

8 cm

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