2146 . ৪ x ৫ x ০ x ৭ x ১=

  • A. ১৪০
  • B. ০
  • C. ১৮০
  • D. ২১০
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2148 . 5log5 - log25 = কত?

  • A. 3log2
  • B. 5log5
  • C. 2log5
  • D. 3log5
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2149 . (x-1 + y-1)-1 এর সরলকৃত রাশি কোনটি?

  • A. y/(x - y)
  • B. xy/(x + y)
  • C. x/(x + y)
  • D. xy/(x - y)
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2153 . 3.2n - 4.2n-2 = কত?

  • A. 2n + 1
  • B. 2n - 1
  • C. 3
  • D. 2n
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স্বরাষ্ট্র মন্ত্রণালয়ের অধীন মাদকদ্রব্য নিয়ন্ত্রণ অধিদপ্তর | ওয়ারলেস অপারেটর | ২৩.১১.২০১৮
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2155 . 2^n + 1 - 2n = কত?

  • A. 2
  • B. 2^n
  • C. 4
  • D. 2^n + 1
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2157 . log2/8 = কত?

  • A. 1
  • B. 1/2
  • C. 2/3
  • D. 1/3
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