Download App

Rational Numbers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSRational Numbers1 Mark
MCQ
Assertion (A): Natural numbers are commutative for multiplication
Reason (R): Rational numbers are commutative under addition and multiplication
  • ✓
    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
✓

Answer

Correct option: A.
Both A and R are true and R is the correct explanation of A
A

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from Rational Numbers→Rational Numbers — all question types→MATHS STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following: Observe the following velocity-time graph and consider it as reasons for the following assertions:
Assertion (A): $9$ and $11$ is the velocity minimum
→
Directions : In the following questions, the Assertions $(A)$ and Reason $(s)\ (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A) :$ All the angles of a rectangle are equal.
Reason $(R) :$ The opposite sides of a rectangle are not equal.
→
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.
→
Directions : In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
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.
→
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): The value of $x^2- 2x + 1$ when $x = 1$ is $0$
Reasons (R): a numerical coefficient is defined as a fixed number that is multiplied to a variable
→
Observe the following velocity-time graph and consider it as reasons for the following assertions:

Assertion (A): 11 is the velocity minimum.
→
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.
→
Directions: In the following questions, the Assertions $(A)$ and Reason $(s) \ (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A) : 9^2= 40 + 41$
Reasons $(R) :$ The sum of any two consecutive numbers is always odd
→
Directions : In the following questions, the Assertions $(A)$ and Reason $(s)\ (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$ : Natural numbers are closed under subtraction
Reason $(R)$ : A rational number is a number that is in the form of $\frac{\text{p}}{\text{q}}$ where $p$ and $q$ are integers, and $q$ is not equal to $0.$
→
Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): In a two digit number, the unit’s digit is $x$ and the ten’s digit is $y.$ Then, the number is $10y + x.$
Reason (R): Numbers which follow each other in order, without gaps, from smallest to largest. $12, 13, 14$ and $15$ are consecutive numbers
→