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MATHS Assertion (A) & Reason (B) MCQ

Lines and Angles [NEW] · Gujarat Board (GSEB) STD 6 (GSEB - English Medium). 9 questions.

Questions

Assertion (A) & Reason (B) MCQ

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9 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Assertion (A): An angle measuring $270^{\circ}$ is a reflex angle.
Reason (R): An angle measuring more than 180° but less than $360^{\circ}$ is called a reflex angle.
  • ✓
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: A.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
A
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MCQ 21 Mark
Assertion (A): The sum of an acute angle and an obtuse angle can be equal to a straight angle.
Reason (R): Two obtuse angles together can make a complete angle.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • ✓
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: C.
Assertion (A) is true but Reason (R) is false.
C
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MCQ 31 Mark
Assertion (A): An angle measuring $360^{\circ}$ is called a reflex angle.
Reason (R): A reflex angle measures more than $180^{\circ}$.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • ✓
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: D.
Assertion (A) is false but Reason (R) is true.
D
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MCQ 41 Mark
Assertion (A): The standard unit of measuring an angle is degree.
Reason (R): A straight angle is equal to $180^{\circ}$.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • ✓
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: B.
Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
B
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MCQ 51 Mark
Assertion (A): The vertex is the common initial point of the two rays forming the angle.
Reason (R): The two rays forming an angle are called the two legs of the angle.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • ✓
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: C.
Assertion (A) is true but Reason (R) is false.
C
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MCQ 61 Mark
Assertion (A): Ray $\overrightarrow{A B}$ is the same as ray $\overrightarrow{B A}$.
Reason (R): An infinite number of rays can be drawn with a given point as the initial point.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • ✓
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: D.
Assertion (A) is false but Reason (R) is true.
D
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MCQ 71 Mark
Assertion (A): There are no points common between two parallel lines.
Reason (R): Two parallel lines always have the same distance between them.
  • ✓
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: A.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
A
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MCQ 81 Mark
Assertion (A): Only one line can be drawn passing through two distinct points.
Reason (R): An unlimited number of lines can be drawn passing through a given point.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • ✓
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • D
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: B.
Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
B
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MCQ 91 Mark
Assertion (A): All concurrent lines have the same distance between them.
Reason (R): All concurrent lines pass through a common point.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
  • C
    Assertion (A) is true but Reason (R) is false.
  • ✓
    Assertion (A) is false but Reason (R) is true.
Answer
Correct option: D.
Assertion (A) is false but Reason (R) is true.
D
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Assertion (A) & Reason (B) MCQ - MATHS STD 6 Questions - Vidyadip