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MATHS Assertion (A) & Reason (B) MCQ

Symmetry · Gujarat Board (GSEB) STD 7 (GSEB - English Medium). 4 questions.

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Assertion (A) & Reason (B) MCQ

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4 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A) Out of the ten numerical digits from 0 to 9 , only two digits show rotational symmetry.
Reason (R) In a complete turn, the number of times, a figure coincides with its original position is called its order of rotational symmetry.
  • ✓
    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 21 Mark
Assertion (A) E has an horizontal line of symmetry.
Reason (R) The symmetry of an object is defined as one half of the object is a mirror image of the other half.
  • ✓
    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 letter O has many lines of symmetry.
Reason (R) Line passing through the centre of O, will be its line of symmetry.
  • ✓
    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 41 Mark
Assertion (A) An equilateral triangle has three lines of symmetry.
Reason (R) The number of lines of symmetry in a regular polygon with side (n) is equal to n.
  • ✓
    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 7 Questions - Vidyadip