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

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Question number: 304

» Mathematics » Circles

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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

» Mathematics » Circles

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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

» Mathematics » Lines and Angles

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Question

Measure of an obtuse angle is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 307

» Mathematics » Circles

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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

» Mathematics » Circles

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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

Circle c Circle c: Circle through P with center O Arc d Arc d: Semicircle through A and B Arc e Arc e: Semicircle through C and D Segment f Segment f: Segment [P, R] Segment g Segment g: Segment [R, O] Segment h Segment h: Segment [O, Q] Point O O = (3.7,1.8) Point O O = (3.7,1.8) Point O O = (3.7,1.8) Point P P = (1.4,1.08) Point P P = (1.4,1.08) Point P P = (1.4,1.08) Point R Point R: Point on c Point R Point R: Point on c Point R Point R: Point on c Point Q Point Q: Point on c Point Q Point Q: Point on c Point Q Point Q: Point on c yâ° text1 = “yâ°” 30â° text1_1 = “30â°” 4 cm text1_2 = “4 cm”

Image of a Circle with Center O and Radius 4 Cm

Representing the image of a circle with center O and radius 4 cm

Choices

Choice (4) Response

a.

b.

c.

d.

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