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 poly1 Triangle poly1: Polygon A, B, C Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment f Segment f: Segment [M, N] Point A A = (4.65,4.28) Point A A = (4.65,4.28) Point A A = (4.65,4.28) Point B B = (1.94,0.32) Point B B = (1.94,0.32) Point B B = (1.94,0.32) Point C C = (7.7,0.25) Point C C = (7.7,0.25) Point C C = (7.7,0.25) Point M Point M: Point on c Point M Point M: Point on c Point M Point M: Point on c Point N Point N: Point on b Point N Point N: Point on b Point N Point N: Point on b 7 text1 = “7” 28 text1_1 = “28” 6 text1_2 = “6” x text1_3 = “x” a text1_4 = “a”

Image of a Triangle ABC in Which MN∥BC

Representing the 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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