Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 967 - 969 of 1128

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Question number: 967

» Mathematics » Triangle and Properties

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MCQ▾

Question

Which of the following statement is correct?

Choices

Choice (4)Response

a.

The Circumcenter of an acute angled triangle lies in the interior of the triangle.

b.

The orthocenter of an acute angled triangle lies in the interior of the triangle.

c.

The Centroid of an acute angled triangle lies in the interior of the triangle.

d.

All a. , b. and c. are correct

Question number: 968

» Mathematics » Integers

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MCQ▾

Question

Choices

Choice (4)Response

a.

+120

b.

-31

c.

-120

d.

+31

Question number: 969

» Mathematics » Lines and Angles

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MCQ▾

Question

In the adjoining figure, ABC is a triangle in which D and E are the mid points of AB and AC respectively. If BC = 5.4 cm then DE = ________.

Triangle poly1Triangle poly1: Polygon A, B, CSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [D, E] Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint EPoint E: Point on bPoint EPoint E: Point on bPoint EPoint E: Point on b5.4 cmtext1 = “5.4 cm”

Image of a Triangle ABC

Choices

Choice (4)Response

a.

10.8 cm

b.

2.7 cm

c.

5.5 cm

d.

4.5 cm

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