NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 428 - 435 of 2000

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Question number: 428

» Mathematics » Constructions

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MCQ▾

Question

If the angles of a triangle are in the ratio 3: 2: 1 then the triangle is

Choices

Choice (4) Response

a.

Right angled isosceles

b.

Acute angled

c.

Right angled

d.

Obtuse angled

Question number: 429

» Mathematics » Linear Equations in Two Variables

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MCQ▾

Question

The solution of the equation is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 430

» Mathematics » Heron's Formula

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Question

The base of an isosceles triangle is 14 cm and its perimeter 108 cm. Then its area is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 431

» Mathematics » Polynomials

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MCQ▾

Question

The real factors of are

Choices

Choice (4) Response

a.

Does not exit

b.

c.

d.

None of the above

Question number: 432

» Mathematics » Constructions

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MCQ▾

Question

In , if and , then =

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 433

» Mathematics » Constructions

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MCQ▾

Question

Which of the following statement is correct?

Choices

Choice (4) Response

a.

The difference of any two sides is less than the third side

b.

A triangle cannot have two obtuse angles

c.

A triangle cannot have an obtuse angle and a right angle

d.

None of the above

Question number: 434

» Mathematics » Statistics

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MCQ▾

Question

The arithmetic mean of first six natural numbers is

Choices

Choice (4) Response

a.

3

b.

28

c.

4

d.

7

Question number: 435

» Mathematics » Constructions

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MCQ▾

Question

Two sides of an isosceles triangle are 5 cm and 9 cm. Then the length of third side is

Choices

Choice (4) Response

a.

5 cm

b.

9 cm

c.

5 cm or 9 cm

d.

Question does not provide sufficient data or is vague

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