Symmetry

15. The order of rotational symmetry of the following figure given below is

  • (A) 4 
  • (B) 8 
  • (C) 6 
  • (D) Infinitely many

14. The order of rotational symmetry in the following figure is

  • (A) 4 
  • (B) 2
  • (C) 1 
  • (D) Infinitely many

13. The number of lines of symmetry in a rhombus is

  • (A) 4 
  • (B) 2
  • (C) 1 
  • (D) Infinitely many

12. The order of rotational symmetry of a rhombus is

  • (A) 4 
  • (B) 3
  • (C) 2 
  • (D) 1

11. A triangle that has one line of symmetry but lacks rotational symmetry is

  • (A) Equilateral triangle  
  • (B) Scalene triangle
  • (C) Isosceles triangle      
  • (D) None of these

10. A triangle that has neither a line of symmetry nor a rotational symmetry is

  • (A) Equilateral triangle  
  • (B) Scalene triangle
  • (C) Isosceles triangle      
  • (D) None of these

9. Which capital letters of English alphabets has one line of symmetry, but they interchange to each other when rotated through 180°?

  • (A) B and E
  • (B) N and M
  • (C) M and W        
  • (D) P and R

8. The English letter H has a rotational symmetry of order

  • (A) 4 
  • (B) 0
  • (C) 2 
  • (D) 3

7. The English letter N has a rotational symmetry of order

  • (A) 0 
  • (B) 4
  • (C) 2 
  • (D) 1

6. The English letter S has a rotational symmetry of order

  • (A) 4 
  • (B) 5
  • (C) 2 
  • (D) 0

5. The English letter Z has a rotational symmetry of order

  • (A) 0 
  • (B) 3
  • (C) 2 
  • (D) 4

4. Order of rotational symmetry of a rectangle is

  • (A) 0 
  • (B) 3
  • (C) 2 
  • (D) 4

3. Order of rotational symmetry of a circle is       

  • (A) 0 
  • (B) 3
  • (C) 2 
  • (D) 4

2. Order of rotational symmetry in the following figure is

  • (A) 6 
  • (B) 3
  • (C) 8 
  • (D) None of these

1. Order of rotational symmetry of a semi-circle is

  • (A) 0 
  • (B) 2
  • (C) 1 
  • (D) None of these

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