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In this type of questions, a series of single, pairs or groups of letters or combinations of letters and numerals are given. The terms of the series form a certain pattern as regards the position of the letter in the English alphabet. Find the missing or wrong term in series 

1)

ATTRIBUTION, TTRIBUTIO, RIBUTIO, IBUTI, ?


A) IBU

B) UT

C) UTI

D) BUT

Answer:

Option C

Explanation:

In the first step, one letter from the beginning and one from the end of a term are removed to give the next term. In the second step, two letters from the beginning of a term are removed. These two-steps are repeated alternatly.

Hence the answer is (c).