The following series is based on the English alphabet. Which one of the following will come in place of the question mark (?) in the given alphabetical series?
XBF UDK RFO OHR ?
Series : XBF UDK RFO OHR ?
The first letters of the above series are decreasing by a factor of 3. Thus the first letter = O - 3 = L
The second letters are increasing by a factor of 2, => Second letter = H + 2 = J
The third letters are increasing by a factor of (+5,+4,+3), => Third letter = R + 2 = T
$$\therefore$$ LJT is next in the series.
=> Ans - (C)
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