# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 304 - 308 of 2000

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## Question number: 304

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MCQ▾

### Question

An equilateral triangle PQR is inscribed in a circle with center O. Find .

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 305

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MCQ▾

### Question

AB is a chord of a circle of radius 2.6 cm and P is a point on it which divided it into two parts in the ratio 2: 3. If P is 1.8 cm distant from the center O, the length of AB is

### Choices

Choice (4) Response

a.

3.08 cm

b.

3.85 cm

c.

4.9 cm

d.

4.28 cm

## Question number: 306

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MCQ▾

### Question

Measure of an obtuse angle is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 307

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MCQ▾

### Question

AB, CD, EF and GH are chords of a circle. If and then the chord nearest to the center of the circle is

### Choices

Choice (4) Response

a.

EF

b.

CD

c.

AB

d.

GH

## Question number: 308

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MCQ▾

### Question

O is the center of the circle as shown in the diagram. The distance between P and Q is 8 cm. Then the measure of is

### Choices

Choice (4) Response

a.

b.

c.

d.

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