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### Maths MCQ Class IX Ch-1 I Number System

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__Mathematics__

## MCQ | Class 09 | Chapter 1

__Real Numbers__

**MCQ Based on the Number System**

**MCQ Based on the Number System****MCQ Based on the different types of decimals**

**MCQ Based on the different types of decimals****MCQ Based on the rationalization of numbers**

**MCQ Based on the rationalization of numbers**__Features__

__Features__

**In this pdf given below you find the important MCQ which are strictly according to the CBSE syllabus and are very useful for the CBSE Examinations.****Solution Hints are also given to some difficult problems.****Each MCQ contains four options from which one option is correct.**

__Action Plan__

__Action Plan__

**First of all students should Learn and write all basic points and Formulas related to the Chapter 1 Real Numbers.****Start solving the NCERT Problems with examples.****Solve the important assignments on the Chapter 1 Class XI.****Then start solving the following MCQ.**

# MCQ | CHAPTER - 1 | CLASS IX

REAL NUMBERS

Q1) **Can we write 0 in the form of p/q?**

a. Yes

b. No

c. Cannot be
explained

d. None of the
above

a) 3.5

b) 7

c) 0

d) -2

**Answer b**

**3)**

**The three rational numbers between 3 and 4 are:**

a. 5/2, 6/2, 7/2

b. 13/4, 14/4,
15/4

c. 12/7, 13/7,
14/7

d.11/4, 12/4,
13/4

Answer: b

Q4) Which
of the following option is true based on the below statements?

i) All integers are rational numbers.

ii) All rational numbers are integers.

a) Both statements are true

b) Statement (i) is true and Statement (ii) is
false

c) Statement (i) is false and Statement (ii) is
true

d) Both statements are false

**Answer b**

**Q5) In between any two numbers, there are:**

a. Only one
rational number

b. Two rational
numbers

c. Infinite
rational numbers

d. No rational
number

Answer: c

Q6) How many whole numbers are there between -3 and 3 (Including -3 and 3)?

a) Four

b) Zero

c) Seven

d) Three

**Answer a**

Q7) **Every rational number is:**

a. Whole number

b. Natural
number

c. Integer

d. Real number

Answer: d

Q8) 0.3333… is a/an ______________

a) natural number

b) whole number

c) rational number

d) irrational number

Q9) **√9 is __________ number.**

a. A rational

b. An irrational

c. Neither
rational nor irrational

d. None of the
above

Answer: a

Q10) **Which of the following is an irrational number?**

a. √16

b. √(12/3)

c. √12

d. √100

Answer: c

Q11) **3√6 + 4√6 is equal to:**

a. 6√6

b. 7√6

c. 4√12

d. 7√12

Answer: b

Q12) By rationalizing the denominator of , we get

a)

b)

c)

d)

Answer d

Q13) **√6 x √27 is equal to:**

a. 9√2

b. 3√3

c. 2√2

d. 9√3

Answer: a

Q 14) By rationalize the denominator of we get

a)

b)

c)

d)

**Answer b**

**Q 15)**

**Which of the following is equal to x**

^{3}?a. x^{6 }–
x^{3}

b. x^{6}.x^{3}

c. x^{6}/x^{3}

d. (x^{6})^{3}

**Which of the following is an irrational number?**

a. √23

b. √225

c. 0.3796

d. 7.478478

Answer: a

Q 17)

By
simplifying (8)^{2/3}, we get __________

a) 4

b) 16

c) (8)^{2}/(8)^{3}

d) 32

**a**

**Q 18) **Which of the following is an irrational number?

a. 0.14

b. 0.1416¯

c. 0.1416......

d. 0.4014001400014…

Answer: d

Q 19) 2√3+√3 =

a. 6

b. 2√6

c. 3√3

d. 4√6

Answer: c

Q 20) The number
obtained on rationalizing the denominator of **1/ (√7 – 2) **is

a. (√7+2)/3

b. (√7-2)/3

c. (√7+2)/5

d. (√7+2)/45

Answer: a

Q 21) Which of the following is rational?

a. 4/0

b. 0/4

c. √3

d. Ï€

Answer: b

Q 22) The irrational number between 2 and 2.5 is

a. √11

b. √5

c. √22.5

d. √12.5

Answer: b

Q 23) The value of √10 times √15 is equal to

a. 5√6

b. √25

c. 10√5

d. √5

Answer: a

Q24) The decimal
representation of the rational number is

a. Always
terminating

b. Either
terminating or repeating

c. Either
terminating or non-repeating

d. Neither terminating
nor repeating

Answer: b

Q25) Which of the following is a rational number?

a. 0

b. 2√3

c. 2+√3

d. Ï€

Answer: a

Q26) Which of the following is an irrational number?

a. √(4/9)

b. √12/√3

c. √7

d. √81

Answer: c

Q 27) Simplified value of is

(b) 4

(c) 1

(d) 0

b) 1/2

c) 8

d) 1/64

Answer: a

Q 29) Find the value of

(b) -1

(c) 9

(d) 6

Ans a

Q30) When is divided by 3√3 find the quotient.

(a) 5√3

(b) 3√5

(c) 5√5

(d) 3√3

**Q 31) In between any two numbers there are:**

a. Only one rational number

b. Many rational numbers

c. Infinite rational numbers

d. No rational number

**Every rational number is:**

a. Whole number

b. Natural number

c. Integer

d. Real number

**Answer d**

**3√6 + 4√6 is equal to:**

a. 6√6

b. 7√6

c. 4√12

d. 7√12

**Which of the following is equal to x**

^{3}?
a. x^{6}-x^{3}

b. x^{6}.x^{3}

c. x^{6}/x^{3}

d. (x^{6})^{3}

**Answer c**

a) Always an integer

b) Always a rational number

c) Always an irrational number

d) Sometimes rational and sometimes irrational

a) 5√6

b) 6√5

c) 10√5

d) √25

**Answer b**

a) Terminating

b) Recurring

c) Either terminating or non- terminating

d) Non-terminating and non-recurring

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### Comments

Nice

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