Which number should come next in the series: 1,3,6,10,15?

মানসিক দক্ষতা Analytical Abilities 07 Oct, 2020

প্রশ্ন Which number should come next in the series: 1,3,6,10,15?

  • ক.
    18
  • খ.
    20
  • গ.
    21
  • ঘ.
    25

সঠিক উত্তর

21

মন্তব্য

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Analytical Abilities