# Number Systems MCQ Questions for Class 9 Math’s Chapter 1 with Answers

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(A) n
(B) n+1
(C) n-1
(D) n/2

## Q2. 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

(A) √23
(B) √225
(C) 0.3796
(D) 7.478478

## Q4. 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

## Q5. Decimal representation of a rational number cannot be

(A) terminating
(B) always terminating
(C) always non-terminating
(D) non terminating non repeating

(A) 5√3
(B) 3√5
(C) 5√5
(D) 3√3

(A) 12
(B) 7
(C) 5
(D) 8

(A) -1/512
(B) 1/512
(C) 64
(D) 1/64

(A) x° = 1/x
(B) x° = x
(C) x° = 0
(D) x° = 1

(A) 1
(B) 6
(C) 4
(D) 2

(A) 0
(B) -3
(C) -2/3
(D) 4/3

## Q12. The Value of 4√3−4/√3+1 − 2−√3/ 2+√3

(A) 1
(B) 15
(C) 0
(D) None of these

(A) 49
(B) 2
(C) 12
(D) 7

(A) 2, 3
(B) 2, 4
(C) 2, 6
(D) 2, 110

## Q15. 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

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