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MATHS Assertion (A) & Reason (B) MCQ

Squares and Square Roots · Gujarat Board (GSEB) STD 8 (GSEB - English Medium). 3 questions.

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Assertion (A) & Reason (B) MCQ

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3 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A) 6838 is a perfect square number.
Reason (R) A perfect square number can never have 8 at unit place.
  • 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.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 21 Mark
Assertion (A) The square root of a non-perfect square is always irrational.
Reason (R) A non-perfect square is a number that cannot be expressed as the product of an integer by Itself. (e.g. $\sqrt{2}, \sqrt{5}$ or $\sqrt{7}$ )
  • ✓
    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
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MCQ 31 Mark
Assertion (A) The square root of a perfect square is always a whole number.
Reason (R) A perfect square is a number that can be expressed as the product of an integer by itself.
(e.g. $9=3 \times 3$ or $16=4 \times 4$)
  • ✓
    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
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Assertion (A) & Reason (B) MCQ - MATHS STD 8 Questions - Vidyadip