CBSE Class 9 Maths Chapter 1 Number Systems MCQ

CBSE CLASS 9 – MATHS MCQ / SET 2 | Multiple Choice Questions on Number Systems – Chapter 1

1. Every integer is a ——– number.

A. Rational number
B. Irrational number
C. Complex number

2. Every irrational number is a ———- number.

A. Real number
B. Complex number
C. Whole number

3. The product of any two irrational numbers is ————–

A. Rational number
B. Irrational number
C. Sometimes rational, sometimes irrational.

4. A rational number which does not have a reciprocal is ————-

A. One
B. Zero
C. Two

5. Every rational number is a ———–

A. Real number
B. Complex number
C.Integer

6. Which of the following is a correct statement?

A. Every whole number is a natural number.
B. The decimal expansion of an irrational number is non-terminating, non-recurring.
C. The decimal expansion of a rational number is non-terminating.

7. The number 1.101001000100001……………….. is ————-

A. Rational number
B. Irrational number
C. Integer

8. The decimal form of 3/13 is ————–

A. Terminating
B. Non-terminating repeating
C. None of these

9. The decimal expansion of ½ ends after a finite number of steps. The decimal expansions of such numbers are —————-

A. Terminating
B. Non-terminating
C. None of these

10. Decimal expansion of 4/25 is ——————-

A. 0.16
B. 1.6
C. 6.25

ANSWERS:

1. Rational number

2. Real number

3. Sometimes rational, sometimes irrational.

4. Zero

5. Real number

6. The decimal expansion of an irrational number is non-terminating non-recurring.

7. Irrational

8. Non-terminating repeating

9. Terminating

10. 0.16

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