CBSE Class 8 Mathematics/Rational Numbers/ MCQ

CBSE Class 8 Mathematics/ Rational Numbers – Chapter 1/MCQ is about the Multiple Choice Questions that you can expect for Yearly Examination. Here you can find out practice problems for Class 8 Mathematics.

CBSE Class 8 Mathematics/ Rational Numbers – Chapter1/MCQ
Extra Questions for Practice/ Multiple Choice Questions
Choose the correct answer from the options given below:

1. A rational number can be represented in the form ——- where p and q are integers and q not equal to zero.
   A. pq
   B. p + q
   C. p/q
2. Additive inverse of 2/3 is —–
   A. 3/2
   B. -2/3
   C. 2/3
3. Multiplicative inverse of -5 is ————
   A. 5
   B. 1/5
   C. -1/5
4. Find a rational number which is equivalent to -4/7?
   A. -12/21
   B. 12/21
   C. 21/12
5. Reciprocal of the reciprocal of ¼ is ———–
   A. 4
   B. ¼
   C. 1
6. The product of 5 and its reciprocal is ————-
   A. 1
   B. 5
   C. 25
7. A rational number between 2 and 3 is ———
   A. 3/2
   B. 5/2
   C. 7/2
8. Tell what property allows you to compute ½ x (3 x ¼) as (½ x 3) x ¼.
   A. Commutative Property
   B. Associative Property
   C. Distributive Property
9. Between any two given rational numbers there are ——– rational numbers.
   A. One and only one
   B. Countless
   C. Finite
10. The reciprocal of a negative rational number is ———-
    A. Positive rational number
    B. Negative rational number
    C. 1
11. Reciprocal of ¼ is —————
    A. 1
    B. 4
    C. -1/4
12. The negative of 4 is ——
    A. 4
    B. ¼
    C. -4
13. The multiplicative inverse of -1 is ————-
    A. 1
    B. -1
    C. 0
14. The number zero is not a ———–
    A. Rational number
    B. Natural number
    C. Integer
15. The sum of the additive inverse and multiplicative inverse of 4 is ————–
    A. -15/4
    B. -4/15
    C. 0

ANSWERS:

1. p/q
2. -2/3
3. -1/5
4. -12/21
5. ¼
6. 1
7. 5/2
8. Associative Property
9. Countless
10. Negative rational number
11. -4
12. -1
13. Natural number
14. Natural number
15. -15/4