1 . Which number should come next in the series ? 2, 4, 3, 7, 4, 10, 5, -----?

  • A. 13
  • B. 12
  • C. 10
  • D. 15
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B ইউনিট : 2017-2018 || রাজশাহী বিশ্ববিদ্যালয় || 2017
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