Mathematics-Real Numbers [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 1 - 8 of 73

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Question number: 1

» Mathematics » Real Numbers

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Question

The sum of additive inverse and multiplicative inverse of 3 is

Choices

Choice (4)Response

a.

- 3

b.

0

c.

2

d.

- 1

Question number: 2

» Mathematics » Real Numbers

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Question

If be the rational numbers such the and then________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 3

» Mathematics » Real Numbers

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Question

The sum of 2 rational and irrational number is always

Choices

Choice (4)Response

a.

Rational

b.

Irrational

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 4

» Mathematics » Real Numbers

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Question

Set of natural numbers is a subset of

Choices

Choice (4)Response

a.

Set of even numbers

b.

Set of composite numbers

c.

Set of real numbers

d.

Set of odd numbers

Question number: 5

» Mathematics » Real Numbers

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Question

Which of the following is not a rational number?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 6

» Mathematics » Real Numbers

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Question

The value of is

Choices

Choice (4)Response

a.

2.23

b.

1.72

c.

1.41

d.

2.59

Question number: 7

» Mathematics » Real Numbers

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Question

If X: Every fraction is a rational number and,

Y: Every rational number is a fraction,

Then which is the correct option?

Choices

Choice (4)Response

a.

X and Y true

b.

X is false and Y is true

c.

X and Y false

d.

X is true and Y is false

Question number: 8

» Mathematics » Real Numbers

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MCQ▾

Question

Representation of in a rational number form is,

Choices

Choice (4)Response

a.

b.

c.

d.

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