NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 784 - 790 of 2000

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Question number: 784

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MCQ▾

Question

If the angles of a triangle are in the ratio 1: 2: 7 then the triangle is

Choices

Choice (4) Response

a.

Right angled isosceles

b.

Right angled

c.

Obtuse angled

d.

Acute angled

Question number: 785

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MCQ▾

Question

Which of the following possess flagella?

Choices

Choice (4) Response

a.

Paramecium

b.

Euglena

c.

Amoeba

d.

Yeast

Question number: 786

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MCQ▾

Question

Which of the following statement (s) is true?

Choices

Choice (4) Response

a.

, where a and b are rational numbers

b.

Infinite number of rational numbers lie between any two rational number

c.

if where ‘a’ is a rational number

d.

All a. , b. and c. are correct

Question number: 787

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MCQ▾

Question

The triangle formed by and is

Choices

Choice (4) Response

a.

An obtuse angle triangle

b.

An acute angle triangle

c.

A right angled triangle

d.

All of the above

Question number: 788

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MCQ▾

Question

The mean of 10 observations is 15.8. By error, one observation was noted as -12 instead of 12. Then the correct mean is

Choices

Choice (4) Response

a.

25.8

b.

18.2

c.

18.5

d.

5.8

Question number: 789

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MCQ▾

Question

In a , if , then the right angle is at

Choices

Choice (4) Response

a.

A

b.

C

c.

B

d.

None of the above

Question number: 790

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MCQ▾

Question

The equation of the line parallel to x-axis is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

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