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Assertion and Reason Questions Class 8 Maths Chapter 1 Rational Numbers
1.) Assertion (A) – Rational numbers are not closed under addition
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
2.) Assertion (A) –Natural numbers are closed under addition
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
3.) Assertion (A) –Whole numbers are closed under addition
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
4.) Assertion (A) – Natural numbers are closed under subtraction
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
5.) Assertion (A) – Whole numbers are not closed under subtraction
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
6.) Assertion (A) – Rational numbers are closed under subtraction
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
7.) Assertion (A) – Natural numbers are closed under multiplication
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
8.) Assertion (A) – Whole numbers are not closed under multiplication
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
9.) Assertion (A) – Rational numbers are not closed under multiplication
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
10.) Assertion (A) – Natural numbers are closed under division
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
11.) Assertion (A) – Whole numbers are not closed under division
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
12.) Assertion (A) – Rational numbers are closed under division.
Reason (R) – A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
13.) Assertion (A) – Natural numbers are commutative for addition
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
14.) Assertion (A) – Whole numbers are commutative for addition
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
15.) Assertion (A) – Integers are not commutative for addition
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
16.) Assertion (A) – Rational numbers are commutative for addition.
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
17.) Assertion (A) – Natural numbers are commutative for subtraction
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
18.) Assertion (A) – Whole numbers are commutative for subtraction
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
19.) Assertion (A) – Integers are commutative for subtraction
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
20.) Assertion (A) – Rational numbers are not commutative for subtraction
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
21.) Assertion (A) – Natural numbers are commutative for multiplication
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
22.) Assertion (A) – Whole numbers are commutative for multiplication
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
23.) Assertion (A) – Integers are not commutative for multiplication
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
24.) Assertion (A) – Rational numbers are commutative for multiplication
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
25.) Assertion (A) – Natural numbers are commutative for division
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
26.) Assertion (A) – Whole numbers are not commutative for division
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
27.) Assertion (A) – Integers are commutative for division
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
28.) Assertion (A) – Rational numbers are commutative for division
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
29.) Assertion (A) – Natural numbers are associative for addition
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
30.) Assertion (A) – Whole numbers are not associative for addition
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
31.) Assertion (A) – Integers are not associative for addition
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
32.) Assertion (A) – Rational numbers are not associative for addition
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
33.) Assertion (A) – Natural numbers are associative for subtraction
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
34.) Assertion (A) – Whole numbers are not associative for subtraction
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
35.) Assertion (A) – Integers are associative for subtraction
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
36.) Assertion (A) – Rational numbers are associative for subtraction
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
37.) Assertion (A) – Natural numbers are not associative for multiplication
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
38.) Assertion (A) – Whole numbers are not associative for multiplication
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
39.) Assertion (A) – Integers are associative for multiplication
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
40.) Assertion (A) – Rational numbers are not associative for multiplication.
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
41.) Assertion (A) – Natural numbers are associative for division
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
42.) Assertion (A) – Whole numbers are associative for division
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
43.) Assertion (A) – Integers are associative for division
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
44.) Assertion (A) – Rational numbers are not associative for division
Reason (R) – The associative property states that the sum or the product of three or more numbers does not change if they are grouped in a different way.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
45.) Assertion (A) – 0 is not a rational number
Reason (R) – a rational number is a type of real numbers, which is in the form of p/q where q is not equal to zero.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
46.) Assertion (A) – ½ of 2 is a rational number
Reason (R) – a rational number is a type of real numbers, which is in the form of p/q where q is not equal to zero
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
47.) Assertion (A) – a + b = b + a is called commutative law of addition
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
48.) Assertion (A) – a × b = b × a is called commutative law for multiplication
Reason (R) – Rational numbers are commutative under addition and multiplication
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
49.) Assertion (A) – (a + b) + c = a + (b + c) is called
Reason (R) – The associative laws state that when you add or multiply any three real numbers, the grouping (or association) of the numbers does not affect the result
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
50.) Assertion (A) – a × (b × c) = (a × b) × c is called associative law for multiplication
Reason (R) – The associative laws state that when you add or multiply any three real numbers, the grouping (or association) of the numbers does not affect the result.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
ANSWERS:
1:d 2:b 3:b 4:d 5:b 6:a
7:b 8:d 9:d 10:d 11:b 12:d
13:a 14:a 15:d 16:a 17:d 18:d
19:d 20:a 21:a 22:a 23:d 24:a
25:d 26:a 27:d 28:d 29:a 30:d
31:d 32:d 33:d 34:a 35:d 36:d
37:d 38:d 39:a 40:d 41:d 42:d
43:d 44:a 45:d 46:a 47:b 48:b
49:a 50:a
Some of the answers are wrong pls correct them