Number Systems MCQ Questions for Class 9 Maths Chapter 1 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 9 Mathematics book Chapter 1 Number Systems with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam, Taking the help of the Class 9 Mathematics Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Number Systems. Each Questions has four options followed by the right answer. Download the Mathematics Quiz Questions with Answers for Class 9 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 9 Mathematics with Answers

Q1. The product of a rational and an irrational numbers is:

(i) Always an integer
(ii) Always a rational number
(iii) Always an irrational number
(iv) Sometimes rational and sometimes irrational

(iii) Always an irrational number

Q2. The three rational numbers between 3 and 4 are:

(i) 5/2,6/2,7/2
(ii) 13/4,14/4,15/4
(iii) 12/7,13/7,14/7
(iv) 11/4,12/4,13/4

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

Q3. When 15√15 is divided by 3√3 find the quotient.

(i) 5√3
(ii) 3√5
(iii) 5√5
(iv) 3√3

(iii) 5√5

Q4. (64)-3/2

(i) -1/512
(ii) 1/512
(iii) 64
(iv) 1/64

(ii) 1/512

Q5. Find the remainder when 6799 is divided bt 7

(i) 1
(ii) 6
(iii) 4
(iv) 2

(i) 1

Q6. The Value of 4√3−4/√3+1 − 2−√3/ 2+√3

(i) 1
(ii) 15
(iii) 0
(iv) None of these

(i) 1

Q7. From the choices given below mark the co-prime numbers

(i) 2, 3
(ii) 2, 4
(iii) 2, 6
(iv) 2, 110

(i) 2, 3

Q8. Which of the following is Natural number?

(i) 3.5
(ii) 7
(iii) 0
(iv) -2

(ii) 7

Q9. If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is

(i) 4
(ii) 2
(iii) 1
(iv) 3

(ii) 7

Q10. In between any two numbers there are:

(i) Only one rational number
(ii) Many rational numbers
(iii) Infinite rational numbers
(iv) No rational number

(iii) Infinite rational numbers

Q11. The decimal expansion of √2 is

(а) finite decimal
(ii) 1.4121
(iii) non-terminating recurring
(iv) non-terminating non-recurring

(iv) non-terminating non-recurring

Q12. In between any two numbers there are:

(i) Only one rational number
(ii) Many rational numbers
(iii) Infinite rational numbers
(iv) No rational number

(iii) Infinite rational numbers

Above

Q13. The rational number between 1 and 2 is

(i) 3/2
(ii) 7/2
(iii) 5/2
(iv) 1/2

(i) 3/2

Q14. If x/y= 6/5 then x² + y² / x² − y²

(i) 36/25
(ii) 25/36
(iii) 61/11
(iv) 11/61

(i) 36/25

Q15. The product of a rational and an irrational numbers is:

(i) Always an integer
(ii) Always a rational number
(iii) Always an irrational number
(iv) Sometimes rational and sometimes irrational

(iii) Always an irrational number

Q16. Which of the following is an irrational number?

(i) √16
(ii) √(12/3)
(iii) √12
(iv) √100

(iii) √12

Q17. (√a + √(ii) (√a – √(ii) is

(i) a + b
(ii) a – b
(iii) 2√a
(iv) 2√b

(ii) a – b

Q18. √6 x √27 is equal to:

(i) 9√2
(ii) 3√3
(iii) 2√2
(iv) 9√3

(i) 9√2

Q19. The value of 491/2 is equal to

(i) 1/49
(ii) 49
(iii) 7
(iv) 1/7

(iii) 7

Q20. The value of (67.542)² −(32.458)² /75.458 − 40.374 is

(i) 100
(ii) 1
(iii) 10
(iv) none

(i) 100

Q21. (-7+4√7-3√7) is

(i) a positive rational number
(ii) an irrational number
(iii) a negative rational number
(iv) equal to zero

(ii) an irrational number

Q22. 3√6 + 4√6 is equal to:

(i) 6√6
(ii) 7√6
(iii) 4√12
(iv) 7√12

(ii) 7√6

Q23. √6 x √27 is equal to:

(i) 9√2
(ii) 3√3
(iii) 2√2
(iv) 9√3

(i) 9√2

Q24. If x1/12 = 491/24 then find the value of x.

(i) 49
(ii) 2
(iii) 12
(iv) 7

(iv) 7

Q25. Which of the following lies between 0 and -1?

(i) 0
(ii) -3
(iii) -2/3
(iv) 4/3

(iii) -2/3

Q26. Which of the following statement is true

(i) x° = 1/x
(ii) x° = x
(iii) x° = 0
(iv) x° = 1

(iv) x° = 1

Q27. The sum of the powers of the prime factors in 108 × 192 is

(i) 12
(ii) 7
(iii) 5
(iv) 8

(i) 12

Q28. Decimal representation of a rational number cannot be

(i) terminating
(ii) always terminating
(iii) always non-terminating
(iv) non terminating non repeating

(iv) non terminating non repeating

Q29. Which of the following are irrational numbers?

(i) √23
(ii) √225
(iii) 0.3796
(iv) 7.478478

(i) √23

Q30. How many zeros after the decimal point will be there in the decimal form of the number 10-n ?

(i) n
(ii) n+1
(iii) n-1
(iv) n/2

(iii) n-1

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MCQ Questions for Class 9 Mathematicss with Answers

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