NSTSE (National Level Science Talent Search Examination) Class 10: Questions 20 - 27 of 1334

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Question number: 20

» Mathematics » Trigonometry

MCQ▾

Question

The value of Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 21

» Mathematics » Real Numbers

MCQ▾

Question

The sum of additive inverse and multiplicative inverse of 3 is

Choices

Choice (4) Response

a.

- 3

b.

2

c.

0

d.

- 1

Question number: 22

» Mathematics » Real Numbers

MCQ▾

Question

If Equation be the rational numbers such the Equation andEquation then________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 23

» Mathematics » Real Numbers

MCQ▾

Question

The sum of 2 rational and irrational number is always

Choices

Choice (4) Response

a.

Irrational

b.

Rational

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 24

» Mathematics » Real Numbers

MCQ▾

Question

Set of natural numbers is a subset of

Choices

Choice (4) Response

a.

Set of composite numbers

b.

Set of real numbers

c.

Set of even numbers

d.

Set of odd numbers

Question number: 25

» Mathematics » Real Numbers

MCQ▾

Question

Which of the following is not a rational number?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 26

» Mathematics » Real Numbers

MCQ▾

Question

The value of Equation is

Choices

Choice (4) Response

a.

2.23

b.

1.72

c.

2.59

d.

1.41

Question number: 27

» Mathematics » Real Numbers

MCQ▾

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 is false and Y is true

b.

X is true and Y is false

c.

X and Y false

d.

X and Y true

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