**QUESTIONS **

**1. Fear of Numbers is called? **

2. Where did the magic square originate?

3. Who built the first electronic calculating machine?

4. Who is called the mathematician’s mathematician?

5. How many thousands are there in one crore ?

6. Who coined the word ‘Million’ ?

7. “Mathematics, rightly understood possesses not only truth, but supreme beauty”. Who said it?

8. Who is called the father of Geometry?

9. Who invented logarithms?

10. If a + b = 0, then the largest value of a x b is?

11. Who is known as the Prince of Indian Mathematics?

12. A clock takes 6 seconds to strike 4 O’ clock. Then how much time it will take to strike 8 O’ clock?

13. “Let no one ignorant of geometry enter here”. Whose words are these?

14. Can you write 31 using only digit 3 five times?

15. Which mathematician spent more than a decade of his last days as a blind man?

16. The sum of some continuous counting numbers are equal to 1000. What are they?

17. Which curve is known as the “Helen of Geometry”?

18. The number 1729 is popularly known as ?

19. Who is the first Indian to become the president of International Astronomical Union?

20. Which Indian mathematician first framed the rules of operation with zero?

21. “Number rules the universe”. Who said it?

22. “The essence of mathematics resides in its freedom”. Who said it?

23. “Five out of four people have trouble with fractions”. Who said it?

24. “The mathematician is like a Frenchman: you tell him something, he translates it into his own language, and at once it becomes something altogether different”. Who said it?

25. “God exists since mathematics is consistent, and the Devil exists since we cannot prove it”. Who said it?

26. Who used to always remark, “I was x years old in the year x2 ”, whenever anybody asked either his age or his year of birth?

27. “Mathematics is all well and good, but Nature keeps dragging us around by the nose”. Who said it?

28. “Beauty is the first test; there is no permanent place in the world for ugly mathematics”. Who said it?

29. “A great mathematician should know above all things how to calculate his happiness”. Who said it?

** 30. “As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality”. Who said it? **

**ANSWERS** **1. Numerophobia **

2. China

3. John V. Atanasoff

4. Arthur Cayley

5. 10000

6. Marco Polo

7. Bertrand Russell

8. Euclid

9. John Napier

10. Zero (when a=0 and b=0) (in all other cases, either a or b will be negative and hence the product will also become negative)

11. Srinivasa Ramanujan (1887-1920)

12. 14 seconds

13. Plato

14. 33+3+3/3 or 33-3+3/3 or 3*3/.3+3/3

15. Leonard Euler (1707-1783)

16. There are three set of possible solutions.

(1) 28 to 52 (2) 55 to 70 (3) 198 to 202

17. Cycloid

18. Ramanujan Number

19. M K Vainu Bappu (1927-1982)

20. Brahmagupta

21. Pythagoras (570 BC-495 BC)

22. Georg Cantor (1845-1918)

23. Steven Wright

24. Johann von Goethe (1749-1832)

25. Andre Weil (1906-1998)

26. Augustus De Morgan (1806-1871) (Since he was 43 years old in the year 1849 such that x=43 and x2=1849)

27. Albert Einstein (1879-1955)

28. G. H. Hardy (1877-1947)

29. Jean D’Alembert (1717-1783)

** 30. Albert Einstein (1879-1955) **