1) Which of the following is not used when calculating with the PI number ? a) When calculating the diameters of the construction columns. b) When calculating inductive in electrical science. c) When calculating the period of spring pendulums. d) When calculating the area of ​​squares. e) When calculating the wavelength of frequencies. 2) Which of the following scientists discovered the PI number ? a) Archimedes b) John Dalton c) İsaac Newton d) Albert Einstein e) Farabi 3) What is the maximum number of digits of the PI number calculated ? a) 15 Billion b) 62 Trillion c) 974 Million d) 5 million e) 2 Trillion 7 Billion 4) Who owns the record for calculating the most digits of the PI number ? a) Albert Einstein b) Pascal c) Emma Haruko İwao d) Ali Kuşçu e) Mehmet Dural 5) What language does the name ( PI ) originate from ? a) Persian b) Greek c) German d) English e) Arabic 6) Which of the following dates is PI day ? a) March, 14 b) August, 30 c) May, 19 d) April, 23 e) january, 1 7) Which of the following is false information about PI ? a) It is an irrational number. b) It is a real number. c) It is accepted as 3.14 in questions. d) It is infinite. e) It is an integer. 8) Which of the following is the symbol for PI ? a) b) c) d) e) 9) Which of the following fractions is accepted as PI ? a) 22/7 b) 11/4 c) 28/8 d) 46/15 e) 7/2 10) Which of the following scientists proved that PI is an IRRATIONAL number ? a) Ali Kuşçu b) Nikola Tesla c) Farabi d) Galileo e) Johann Lambert

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