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## Q.1 Every rational number is:

(a) Whole number

(b) Natural number

(c) Integer

(d) Real number

(d) Real number

## Q.2 √9 is a *____________* number.

*____________*

(a) Rational

(b) Irrational

(c) Neither rational or irrational

(d) None of the above

(a) Rational

## Q.3 Which of the following is an irrational number?

(a) √16

(b) √(12/3)

(c) √12

(d) √100

(c) √12

## Q.4 The decimal expansion of √2 is

(а) finite decimal

(b) 1.4121

(c) non-terminating recurring

(d) non-terminating non-recurring

(d) non-terminating non-recurring

## Q.5 Decimal representation of a rational number cannot be

(a) terminating

(b) always terminating

(c) always non-terminating

(d) non terminating non repeating

(d) non terminating non repeating

## Q.6 All the integers are

(a) whole numbers

(b) rational numbers

(c) irrational numbers

(d) natural numbers

(b) rational numbers

## Q.7 Every real number is

(a) neither rational nor irrational

(b) irrational

(c) rational

(d) either rational or irrational

(d) either rational or irrational

## Q.8 How many zeros after the decimal point will be there in the decimal form of the number 10-n ?

(a) n

(b) n+1

(c) n-1

(d) n2

(c) n-1

## Q.9 A forester wants to plant 44 apples tree, 66 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also, he wants to make distinct rows of tree (i.e. only one type of tree in one row). The number of rows (minimum) that required is:

(a) 2

(b) 3

(c) 10

(d) 11

(c) 10

## Q.10 3√6 + 4√6 is equal to:

(a) 6√6

(b) 7√6

(c) 4√12

(d) 7√12

(b) 7√6

## Q.11 √6 x √27 is equal to

(a) 9√2

(b) 3√3

(c) 2√2

(d) 9√3

(a) 9√2

## Q.12 Can we write 0 in the form of p/q?

(a) Yes

(b) No

(c) Cannot be explained

(d) None of the above

(a) Yes

## Q.13 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

(b) 13/4,14/4,15/4

## Q.14 In between any two numbers there are:

(a) Only one rational number

(b) Many rational numbers

(c) Infinite rational numbers

(d) No rational number

(c) Infinite rational numbers

## Q.15 (√a + √b) (√a – √b) is

(a) a + b

(b) a – b

(c) 2√a

(d) 2√b

(b) a – b

## Q.16 Which of the following is a rational number?

(a) π

(b) 0

(c) 1+√3

(d) 2√3

(b) 0

## Q.17 In between two rational number there is/are:

(a) Exactly one rational number

(b) Infinitely many rational number

(c) Many irrational numbers

(d) Only irrational numbers

(b) Infinitely many rational number

## Q.18 The product of a rational and an irrational numbers is:

(a) Always an integer

(b) Always a rational number

(c) Always an irrational number

(d) Sometimes rational and sometimes irrational

(c) Always an irrational number

## Q.19 If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is

(a) 4

(b) 2

(c) 1

(d) 3

(b) 2

## Q.20 The decimal fraction in which there are finite number of digits in its decimal part is called

(a) terminating decimal fraction

(b) non-terminating decimal fraction

(c) linear fraction

(d) quadratic fraction

(a) terminating decimal fraction

## Q.21 The product of a rational and an irrational numbers is:

(a) Always an integer

(b) Always a rational number

(c) Always an irrational number

(d) Sometimes rational and sometimes irrational

(c) Always an irrational number

## Class 9 Maths MCQs Multiple Choice Questions with Answers

**Chapter 1: Number Systems Class 9 MCQ****Chapter 2: Polynomials Class 9 MCQ****Chapter 3: Coordinate Geometry Class 9 MCQ****Chapter 4: Linear Equations for Two Variables Class 9 MCQ****Chapter 5: Introduction to Euclid’s Geometry Class 9 MCQ****Chapter 6: Lines and Angles Class 9 MCQ****Chapter 7: Triangles Class 9 MCQ****Chapter 8: Quadrilaterals Class 9 MCQ****Chapter 9: Areas of Parallelograms and Triangles Class 9 MCQ****Chapter 10: Circles Class 9 MCQ****Chapter 11: Constructions Class 9 MCQ****Chapter 12: Heron’s Formula Class 9 MCQ****Chapter 13: Surface Areas and Volumes Class 9 MCQ****Chapter 14: Statistics Class 9 MCQ****Chapter 15: Probability Class 9 MCQ**

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