MATH PI-RATES

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Across
  1. 6. THE MATHEMATICAL CONCEPT OF ENDLESS AND UNLIMITED IS DEFINED BY_______
  2. 8. THERE IS NO SYMBOL FOR ZERO IN ________ NUMBER SYSTEM
  3. 9. WHAT IS THE LOWEST COMMON MULTIPLE OF 47?
  4. 11. 'O' IN BODMAS STANDS FOR _________
  5. 12. NATURAL NUMBERS ARE ALSO CALLED AS _________ NUMBERS
  6. 13. THE ONLY EVEN PRIME NUMBER ______
  7. 14. HOW MANY DIGITS ARE THERE IN A BILLION ?
  8. 15. 3.14 IS THE VALUE OF _________
Down
  1. 1. THE PERIMETER OF A CIRCLE IS ALSO CALLED AS_______
  2. 2. THE LANGUAGE OF 1s AND 0s is________
  3. 3. MULTIPLICATION OF THE MEASURES OF THREE DIMENSIONS OF A CUBOID GIVES US _______
  4. 4. THE NAME OF A POLYGON WITH 15 SIDES ______
  5. 5. WHICH INDIAN ASTRONOMER DISCOVERED ZERO IN 600A.D?
  6. 7. THE UNIT OF WEIGHT IN LPS MEASURING SYSTEM IS _____
  7. 10. A QUADRATIC EQUATION IS INHERENTLY A _______