Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 243 - 248 of 989

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Question number: 243

» Mathematics » Quadrilaterals

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MCQ▾

Question

In a rhombus ABCD, and . Find the diagonal BD.

Choices

Choice (4)Response

a.

12 cm

b.

6 cm

c.

Insufficient data

d.

Question number: 244

» Mathematics » Lines and Angles

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MCQ▾

Question

An angle which measures is called

Choices

Choice (4)Response

a.

Acute

b.

Left

c.

Straight

d.

Right

Question number: 245

» Mathematics » Lines and Angles

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MCQ▾

Question

Which of the following pair is a complementary?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 246

» Mathematics » Circles

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MCQ▾

Question

Which of the following statement (s) is/are true?

Choices

Choice (4)Response

a.

Two chords of a circle equidistant from the center are equal

b.

Equal chords in a circle subtend equal angles at the center

c.

Angle in a semicircle is a right angle

d.

All a. , b. and c. are correct

Question number: 247

» Mathematics » Lines and Angles

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MCQ▾

Question

Sum of all three interior angles of a triangle is equal to

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 248

» Mathematics » Lines and Angles

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MCQ▾

Question

Measure of in the given figure is

Triangle poly1Triangle poly1: Polygon A, B, CArc eArc e: Semicircle through D and EArc dArc d: Semicircle through J and KArc fArc f: Semicircle through L and MSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment jSegment j: Segment [C, Q] Segment lSegment l: Segment [C, V] Vector uVector u: Vector [F, G] Vector uVector u: Vector [F, G] Vector vVector v: Vector [H, I] Vector vVector v: Vector [H, I] Point AA = (1.4,6.24) Point AA = (1.4,6.24) Point AA = (1.4,6.24) Point BB = (-0.51,2.02) Point BB = (-0.51,2.02) Point BB = (-0.51,2.02) Point CC = (3.13,1.96) Point CC = (3.13,1.96) Point CC = (3.13,1.96) Point QQ = (4.87,1.98) Point QQ = (4.87,1.98) Point QQ = (4.87,1.98) Point VV = (4.06,3.92) Point VV = (4.06,3.92) Point VV = (4.06,3.92) 40â°text1_1 = “40â°”60â°text1_3 = “60â°”yâ°text1_2 = “yâ°”

Image of a Triangle with a Pair of Parallel Line

Choices

Choice (4)Response

a.

b.

c.

d.

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