NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 623 - 630 of 1484

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Question number: 623

» Mathematics » Quadratic Equations

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MCQ▾

Question

If then the value of x in terms of a and b is

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 624

» Mathematics » Coordinate Geometry

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MCQ▾

Question

Area of triangle enclosed between the coordinate axes with vertices and is ________.

Choices

Choice (4) Response

a.

10 sq units

b.

15 sq units

c.

-5 sq units

d.

5 sq units

Question number: 625

» Mathematics » Quadratic Equations

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MCQ▾

Question

The roots of are

Choices

Choice (4) Response

a.

-5 and 3

b.

-3 and -5

c.

3 only

d.

-5 only

Question number: 626

» Mathematics » Polynomials

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MCQ▾

Question

If ‘a’ and ‘b’ are unequal and and have a common factor, then = ________.

Choices

Choice (4) Response

a.

1

b.

2

c.

- 1

d.

0

Question number: 627

» Mathematics » Coordinate Geometry

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MCQ▾

Question

The coordinates of the center of a circle passing through and is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 628

» Mathematics » Coordinate Geometry

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MCQ▾

Question

The coordinates of the center of a circle passing through and is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 629

» Mathematics » Probability

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MCQ▾

Question

If a coin is tossed twice, the probability of getting at least one head is

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 630

» Mathematics » Triangles

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MCQ▾

Question

In , then x = ________.

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 [D, E] Point A A = (3.41,1.15) Point A A = (3.41,1.15) Point A A = (3.41,1.15) Point B B = (7.92,1.18) Point B B = (7.92,1.18) Point B B = (7.92,1.18) Point C C = (5.68,4.45) Point C C = (5.68,4.45) Point C C = (5.68,4.45) Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c Point E Point E: Point on b Point E Point E: Point on b Point E Point E: Point on b x text1 = “x” x text1_1 = “x” 27 text1_2 = “27” 3 text1_3 = “3”

Image of a Triangle ABC in Which DE∥BC with Two Unknown Values

Representing the image of a triangle ABC in which DE∥BC with two unknown values

Choices

Choice (4) Response

a.

9

b.

12

c.

6

d.

81

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