Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 264 - 270 of 989

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Question number: 264

» Mathematics » Triangles

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MCQ▾

Question

Can 6 cm, 5 cm, 7 cm form a triangle?

Choices

Choice (4)Response

a.

Sometimes

b.

Yes

c.

No

d.

All of the above

Question number: 265

» Mathematics » Quadrilaterals

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MCQ▾

Question

If two adjacent angles of a parallelogram are in the ratio 1: 2, then the measures of the angles are:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 266

» Mathematics » Triangles

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MCQ▾

Question

Which of the following statement is correct?

Choices

Choice (4)Response

a.

The difference of any two sides is less than the third side of a triangle

b.

A triangle cannot have two obtuse angles

c.

A triangle cannot have an obtuse angle and a right angle

d.

All a. , b. and c. are correct

Question number: 267

» 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: 268

» Mathematics » Circles

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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: 269

» Mathematics » Lines and Angles

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MCQ▾

Question

Measure of an obtuse angle is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 270

» 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

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