In conversation with Maths

123456789101112
Across
  1. 3. No one can be as rich as I am.
  2. 6. People often think i am a rational number.
  3. 7. Improper Fraction have percentage greater than?
  4. 8. At this value of radius , the circumference and area are equal.
  5. 9. You can divide me but I cannot.
  6. 10. My birthday is celebrated as national mathematics day, Who am I?
  7. 12. Same as fraction and decimal.
Down
  1. 1. Second digit of Ramanujan hardy number.
  2. 2. An all round perimeter.
  3. 4. Line of symmetry which make horizontal and vertical meet.
  4. 5. Ten thousand meter square makes me.
  5. 11. Another name for selfish Average.