Refer to CBSE Class 9 Maths Number Systems MCQs Set A provided below available for download in Pdf. The MCQ Questions for Class 9 Mathematics with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Chapter 1 Number System Class 9 MCQ are an important part of exams for Class 9 Mathematics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 9 Mathematics and also download more latest study material for all subjects
MCQ for Class 9 Mathematics Chapter 1 Number System
Class 9 Mathematics students should refer to the following multiple-choice questions with answers for Chapter 1 Number System in Class 9.
Chapter 1 Number System MCQ Questions Class 9 Mathematics with Answers
Question:
(a) √10−√3
(b) (√10−√3)2
(c) 7(√10−√3)
(d) none of these
Answer: √10−√3
Question: The Value of 4√3−4/√3+1 − 2−√3/ 2+√3
(a) 1
(b) 15
(c) 0
(d) None of these
Answer: 1
Question:
(a)
(b)
(c) xx/y
(d) xy/x
Answer:
Question: If x/y= 6/5 then x2 + y2 / x2 − y2
(a) 36/25
(b) 25/36
(c) 61/11
(d) 11/61
Answer: 36/25
Question:
(a) 4
(b) 1
(c) 16
(d) 12
Answer: 4
Question: The value of (5)0.25X(125)0.25/ (256)0.10 X (253)0.15
(a) 5/4
(b) 25/16
(c) √5/2
(d) 25/2
Answer: 5/4
Question: The value of (67.542)2 −(32.458)2 /75.458 − 40.374 is
a) 100
b) 1
c) 10
d) none
Answer: 100
Question:
a) I and II
b) I and III
c) II and III
d) I and IV
Answer: I and II
Question: The sum of the powers of the prime factors in 108 × 192 is
(a) 12
(b) 7
(c) 5
(d) 8
Answer: 12
Question:
(a) 6
(b) 8
(c) 5
(d) 7
Answer: 6
Question:
(a) 630
(b) 545
(c) 500
(d) none
Answer: 630
Question: If √2 = 1.414 then the value of 5 + √2 / 5 − √2
(a) 1.787
(b) 1.828
(c) 1.525
(d) 1.326
Answer: 1.787
Question: Rational number 3/40 is equal to:
(a) 0.75
(b) 0.12
(c) 0.012
(d) 0.075
Question: A rational number between 3 and 4 is:
(a) 3/2
(b) 4/3
(c) 7/2
(d) 7/4
Question: A rational number between 3/5 and 4/5 is:
(a) 7/5
(b) 7/1
(c) 3/10
(d) 4/10
Question: A rational number between 1/2 and 3/4 is:
(a) 2/5
(b) 5/8
(c) 4/3
(d) 1/4
Question: Which one of the following is not a rational number:
(a) √2
(b) 0
(c) √4
(d) √-16
Question: Which one of the following is an irrational number:
(a) √4
(b) 3 √8
(c) 100
(d) - √0.64
Question: Decimal representation of 1/5 is :
(b) 0.5
(c) 0.02
(d) 0.002
Question: 8 , 3/8 in decimal form is:
(a) 3.35
(b) 3.375
(c) 33.75
(d) 337.5
Question: 5/6 in the decimal form is:
Question: Decimal representation of rational number 8/27 is:
Question: The rationalsing factor of a2 + ab + b2 is
a) a – b
b) a + b
c) a2 – b2
d) a2 + b2
Answer: a – b
Question: The value of (3° – 4°) × 52 is
a) 0
b) none
c) 25
d) – 25
Answer: 0
Question: The solution of 33x-5 = 1/9x is
a) 1
b) 5
c) 7/3
d) 5/2
Answer: 1
Question: The value of [(-2)(-2)](-3) is
a) 64
b) cannot be determined
c) 32
d) none of these
Answer: 64
Question: (16/81)3/4
a) 8/27
b) 9/2
c) 2/9
d) 27/8
Answer: 8/27
Question: √2 - 1÷√ 2+ 1
a) 1/4
b) 4
c) 2
d) None of these
Answer: 1/4
Question: Simplify (32)-2/5 ÷ (125) -2/3
a) 25/4
b) 5/2
c) 2/5
d) 4/25
Answer: 25/4
Question: The value of x + x (xx) when x = 2 is
a) 10
b) 18
c) 16
d) 36
Answer: 10
Question: When simplified, (x–1 + y–1)–1 is equal to
a) xy/x+y
b) x+y
c) xy
d) None of these
Answer: xy/x+y
Question: The standard form of 15240000 is
a) 1.524 × 107
b) 15.24 × 107
c) 1.524 × 106
d) 1.524 × 108
Answer: 1.524 × 107
Question:
a) 2
b) 0
c) 1
d) 3
Answer: 2
Question: The value of (512)-2/9 is
a) 1/4
b) 2
c) 1/2
d) 4
Answer: 1/4
Question: Which one of the following is a rational number:
(a) √3
(b) √2
(c) 0
(d) √5
Question: 0.6666 in p/q form is:
(a) 6/99
(b) 2/3
(c) 3/5
(d) 1/66
Question: 4 1/8 in decimal form is:
(a) 4.125
(b) 4.15
(c) 4.15
(d) 0.415
Question: The value of (3+√3)(3-√3)is:
(a) 0
(b) 6
(c) 9
(d) 3
Question: The value of ( √5+√2)2 is:
(a) 7+2√5
(b) 1+5√2
(c) 7 + 2√10
(d) 7- 2√10
Question: The value of ( √5+√2) ( √5-√2) is:
(a) 10
(b) 7
(c) 3
(d) √3
Question: The value of (3+√3)(2+√2) is:
(a) 6 +3√2+2√3+√6
(b) 3 +3√2+3√3+6
(c) 6-3√2-2√3-√6
(d) 6-3√2+2√3-√6
Question: The value of (√11+√7) (√11-√7) is
(a) 4
(b) – 4
(c) 18
(d) – 18
Question: The value of (5+√5)(5-√5) is :
(a) 0
(b) 25
(c) 20
(d) – 20
Question: On rationalizing the denominator of 1/√7 , we get
(a) 7
(b) √7/7
(c) -√7/7
(d) 7
Question: An irrational number is
a) a nonterminating and non-repeating decimal
b) a nonterminating and repeating decimal
c) a terminating and non-repeating decimal
d) a terminating and repeating decimal
Answer: a nonterminating and non-repeating decimal
Question: Which of the following statements is true?
a) None of these
b) Irrational numbers cannot be represented by points on the number line
c) Every point on the number line represents a rational number
d) Both
Answer: None of these
Question: The set of real numbers does not satisfy the property of
a) none of these
b) additive inverse
c) multiplicative inverse
d) Both
Answer: none of these
Question: If ‘m’ is an irrational number then ‘2m’ is
a) an irrational number
b) a natural number
c) a whole number
d) a rational number
Answer: an irrational number
Question: The value of √3 is
a) 1.732
b) 1.414
c) 2.256
d) none
Answer: 1.732
Question: The sum of a rational and an irrational number is
a) an irrational number
b) an integer
c) a rational number
d) a whole number
Answer: an irrational number
Question: The product of two irrationals is
a) either A or B
b) a rational number
c) an irrational number
d) neither A nor B
Answer: either A or B
Question: The sum of the additive inverse and multiplicative inverse of 2 is
a) -3/2
b) -1/2
c) 3/2
d) 1/2
Answer: -3/2
Question: If √6 = 2.449 then the value of 3√2/2√3 is close to
a) 1.225
b) 0.613
c) 0.816
d) 2.449
Answer: 1.225
Question:
a) 5
b) none
c) 0
d) can’t be determined
Answer: 5
Question: The set of all irrational numbers is closed for
a) none of these
b) multiplication
c) addition
d) division
Answer: none of these
Question: Which of the following statement is false?
a) Every rational number is a fraction
b) All the above
c) Every integer is a rational number
d) Every fraction is a rational number
Answer: Every rational number is a fraction
Question: On rationalizing the denominator of 1/√7 - √6 , we get
a) √7 + √6/√7 - √6
b) √7 - √6/√7 + √6
c) √7 + √6
d) √7 - √6
Question: On rationalizing the denominator of 1/√5+√2 , we get
a) √5-√2
b) √2 - √5
c) √5-√2/3
d) √2-√5
Question: On rationalizing the denominator of 1/√7 - 2 , we get
a) √7 - 2
b) √7 + 2
c) √7 + 2/3
d) √7 - 2/3
Question: On rationalizing the denominator of 1√2 , we get
a) 2
b) √2
c) 2/√2
d) √2/2
Question: On rationalizing the denominator of 1/2+√3 , we get
a) 2 - √3
b) √3 - 2
c) 2+√3
d) -√3-2
Question: On rationalizing the denominator of 1/√3 -√2 , we get
a) 1/√3+√2
b) √3+√2
c) √2-√3
d) -√3-√2
Question: The value of 641/2s :
a) 8
b) 4
c) 16
d) 32
Question: The value of 321/5s :
a) 16
b) 160
c) 2
d) 18
Question: The value of (125)1/3 is :
a) 5
b) 25
c) 45
d) 35
CBSE Class 9 Maths Polynomials MCQs Set A |
CBSE Class 9 Maths Polynomials MCQs Set B |
CBSE Class 9 Maths Polynomials MCQs Set C |
CBSE Class 9 Maths Coordinate Geometry MCQs |
CBSE Class 9 Maths Linear Equations in Two Variables MCQs Set A |
CBSE Class 9 Maths Linear Equations in Two Variables MCQs Set B |
CBSE Class 9 Maths Introduction to Euclids Geometry MCQs |
CBSE Class 9 Maths Lines and Angles MCQs |
CBSE Class 9 Maths Triangles MCQs |
CBSE Class 9 Maths Quadrilaterals MCQs |
CBSE Class 9 Maths Areas of Parallelogram and Triangle MCQs |
CBSE Class 9 Maths Constructions MCQs |
CBSE Class 9 Maths Herons Formula MCQs |
CBSE Class 9 Maths Statistics MCQs |
CBSE Class 9 Maths Probability MCQs Set A |
CBSE Class 9 Maths Probability MCQs Set B |
CBSE Class 9 Mathematics MCQs |
CBSE Class 9 Quantitative Reasoning MCQs |
MCQs for Chapter 1 Number System Mathematics Class 9
Expert teachers of studiestoday have referred to NCERT book for Class 9 Mathematics to develop the Mathematics Class 9 MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Class 9 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Mathematics will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest books also refer to the NCERT solutions for Class 9 Mathematics. We have also provided lot of MCQ questions for Class 9 Mathematics so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 9 Mathematics MCQ Test for the same chapter.
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