DSSSB · Reasoning

Refer to the following letter series and answer the given question. Counting is to be done from left to right only. (Left) O L I A U D Z E C B H A X G Q Z I G E I M P (Right) How many such consonants are there, each of which is immediately preceded by a consonant and immediately followed by a vowel?

  1. 3
  2. 5
  3. 2
  4. 4
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