Question 42

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
AAI, AEI, AII, AOI, ?

Solution

In each set of letters, the first and last letters will be the same. The middle letter will be changed to the next vowel.

AAI ==> AEI

AEI ==> AII

AII ==> AOI

AOI ==> AUI

So 'AUI' will come in place of the question mark.

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Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.AAI, AEI, AII, AOI, ?