NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 638 - 640 of 1484

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Question number: 638

» Mathematics » Triangles

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MCQ▾

Question

From the given figure the value of x is ________ if .

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 [M, N] Point AA = (4.65,4.28) Point AA = (4.65,4.28) Point AA = (4.65,4.28) Point BB = (1.94,0.32) Point BB = (1.94,0.32) Point BB = (1.94,0.32) Point CC = (7.7,0.25) Point CC = (7.7,0.25) Point CC = (7.7,0.25) Point MPoint M: Point on cPoint MPoint M: Point on cPoint MPoint M: Point on cPoint NPoint N: Point on bPoint NPoint N: Point on bPoint NPoint N: Point on b7text1 = “7”28text1_1 = “28”6text1_2 = “6”xtext1_3 = “x”atext1_4 = “a”

Image of a Triangle ABC in Which MN∥BC

Choices

Choice (4)Response

a.

24

b.

21

c.

13

d.

42

Question number: 639

» Mathematics » Quadratic Equations

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MCQ▾

Question

The roots of the equation are integers, if ________.

Choices

Choice (4)Response

a.

b.

b and c are integers

c.

b and c are even integers

d.

is the square of an integer and b is an integer

Question number: 640

» Mathematics » Triangles

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MCQ▾

Question

In the bisector of intersects BC in M. If BM: MC = 5: 15 and AB = 2.5 cm then AC = ________.

Choices

Choice (4)Response

a.

7.5 cm

b.

2.5 cm

c.

5 cm

d.

3 cm

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