If in all the words the vowels are removed and the rest of the letters are replaced with the immediate next letter

Q. If in all the words the vowels are removed and the rest of the letters are replaced with the immediate next letter in the English alphabetical series, then which of the following word has the minimum number of consonants, irrespective of the repeated letters?

A.WONDERFUL

B.TRIGONOMETRY

C.BLANCMANGE

D.REBARBATIVE

E. None or more than one option

Sol:

a) WONDERFUL – WNDRFL – XOESGM – 4 letters
b) TRIGONOMETRY – TRGNMTRY – USHONUSZ – 5 letters
c) BLANCMANGE – BLNCMNG – CMODNOH – 5 letters
d) REBARBATIVE – RBRBTV− SCSCUW – 5 letters
Hence, option a is correct.