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2 . In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?

  • A. 20%
  • B. 5%
  • C. 15%
  • D. 10%
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13 . fx=4x-7x-2 হলে , f2 = কত?

  • A. 1/4
  • B. 1/5
  • C. অসংজ্ঞায়িত
  • D. 1/3
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14 . A=1,2,3,B=3,4  এবং C=4,5,6 হয়, তবে A×BB×C =কত হবে?

  • A. 2,3,3,4,4,5
  • B. 1,2,2,3,3,4
  • C. 3,4,3,5,4,6
  • D. 1,4,2,4,5,4
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15 . যদি fx=2x+5x-3 হল, তবে f3 = কত?

  • A. 0
  • B. 116
  • C. 113
  • D. অনির্ণেয়
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