Questions

Assertion (A) & Reason (B) MCQ

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2 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A): 0.271 is a terminating decimal and we can express this number as $\frac{271}{1000}$ which is of the form $\frac{p}{q}$, where p and q are integers and $q \neq 0$.
Reason (R): A terminating or non-terminating decimal expansion can be expressed as rational number.
  • 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.
Answer
(c) A is true but R is false.
Explanation: A is true but R is false.  
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MCQ 21 Mark
Assertion (A): ABCD is a square. AC and BD intersect at O . The measure of $\angle AOB =90^{\circ}$.
Reason (R): Diagonals of a square bisect each other at right angles.
  • 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.
Answer
(a) Both A and R are true and R is the correct explanation of A.
Explanation:
Since, diagonals of a square bisect each other at right angles.
$\angle AOB =90^{\circ}$
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Assertion (A) & Reason (B) MCQ - Maths STD 9 Questions - Vidyadip