NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 227 - 231 of 2000

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Question number: 227

» Mathematics » Quadrilaterals

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MCQ▾

Question

One of the diagonals of a rhombus is equal to a side of the rhombus. The angles of the rhombus are:

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

and

Question number: 228

» Mathematics » Circles

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Question

In a circle, the major arc is twice the minor arc. The corresponding central angles and the degree measures of the two arcs are

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

and

Question number: 229

» Mathematics » Triangles

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Question

Two sides of a triangle are 5 and 13 units. Which of the following length can be the length of the third side?

Choices

Choice (4) Response

a.

20 cm

b.

9 cm

c.

18 cm

d.

13 cm

Question number: 230

» Mathematics » Circles

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MCQ▾

Question

A triangle ABC is inscribed in a circle, and the bisectors of the angles meet the circumference at X, Y, Z. The angles of the triangle X, Y, Z are respectively

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 231

» Mathematics » Circles

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MCQ▾

Question

In the given figure, O is the center of a circle. If and then ________.

Circle c Circle c: Circle through B with center O Arc d Arc d: Semicircle through E and F Arc e Arc e: Semicircle through G and H Segment f Segment f: Segment [A, C] Segment g Segment g: Segment [A, B] Segment h Segment h: Segment [B, C] Segment i Segment i: Segment [A, D] Segment j Segment j: Segment [D, C] Point O O = (3.42,2.8) Point O O = (3.42,2.8) Point O O = (3.42,2.8) Point B B = (3.34,0.68) Point B B = (3.34,0.68) Point B B = (3.34,0.68) Point A Point A: Point on c Point A Point A: Point on c Point A Point A: Point on c Point C Point C: Point on c Point C Point C: Point on c Point C Point C: Point on c Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c 72â° text1 = “72â°” 78â° text1_1 = “78â°”

Image of a Circle with Center O and ∠DAC = 72 and ∠ACB = 78 Degrees

Representing the image of a circle with center O and ∠DAC = 72 and ∠ACB = 78 degrees

Choices

Choice (4) Response

a.

b.

c.

d.

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