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- 1. Multiple Choice
Find the reciprocal of the following rational numbers:
(a) 0
Reciprocal of 0, i.e., 1/0 is defined.
Reciprocal of 0, i.e., 1/0 is not defined.
Reciprocal of 0, i.e., 0/1 is not defined.
Reciprocal of 0, i.e., 10 is not defined.
- 2. Multiple Choice
1. What are the multiplicative and additive identities of rational numbers ?
1 and 0 are the multiplicative and additive identity of rational numbers, respectively.
0 and 1 are the additive and multiplicative identity of rational numbers.
- 3. Multiple Choice
Write the additive inverse of 19/-6
Note:- Just write the additive inverse
19/6
-19/6
6/19
-6/19
- 4. Multiple Choice
3. Write the multiplicative inverse of -13/19
19/-13
-19/13
-13/19
- 5. Multiple Choice
Associative property is true for which operations on rational numbers ?
Addition and Multiplication
Addition and Subtraction
Subtraction and Division
Addition and Division
- 6. Multiple Choice
5 × (2 × 9) is also equal to:
5 x (2 - 9)
5 x (2 + 9)
(5 x 2) x 9
(5 x 2) + 9
- 7. Multiple Choice
Which statement is not true?
Every rational number is an integer
Every whole number is a natural number
Every integer is a whole number
Every whole number is a rational number
- 8. Multiple Choice
Which of the following illustrates the Associative Law of multiplication?
4 × (3 × 6) = (3 × 12) × 2
4 × (3 × 6) = (6 × 6) × 2
4 × (3 × 6) = (4 × 3) × 6
4 × (3 × 6) = (3 × 8) × 3
- 9. Multiple Choice
When two integers p and q are written in p/q form ,where q is not equal to zero .then is p/q rational number or integer.
NOTE:- Just write the Ans
Integers
Rational numbers
- 10. Multiple Choice
Rational numbers are not commutative under division
True
False
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