Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the one that is different.
Answer & explanation
Correct answer: option 3
ADGPI ⇒ Ist and last letter is vowel in this letter - cluster
OMKLU ⇒ Ist and last letter is vowel in this letter - cluster
VDCKA ⇒ only last letter is not vowel in this letter - cluster (odd)
ECVMU ⇒ Ist and last letter is vowel in this letter - cluster