In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. P3C, R5F, T8I, V12L, ?
A
X17M
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B
X16O
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C
X17O
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D
Y17O
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Solution
The correct option is C X17O The first letters of the terms are alternate. The sequence followed by the numbers is +2, +3, +4,.... The last letter of is three steps ahead of the last letter of the preceding term.