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470 . 57° পূরককোণ কত?

  • A. 123°
  • B. 303°
  • C. 180°
  • D. 33°
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472 . fx=4x-7x-2 হলে , f2 = কত?

  • A. 1/4
  • B. 1/5
  • C. অসংজ্ঞায়িত
  • D. 1/3
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474 . 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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475 . ৫০ ডিগ্রী কোণের সম্পূরক কোণের এক পঞ্চমাংশ নিচের কোনটি?

  • A. ২৬ ডিগ্রী
  • B. ৩০ ডিগ্রী
  • C. ৩৫ ডিগ্রী
  • D. ৩৬ ডিগ্রী
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478 . যদি fx=2x+5x-3 হল, তবে f3 = কত?

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