Question 27

Which of the following letter cluster will replace the question mark (?) to complete the given series?
PTX, AEI, LPT, ?

Solution

In each letter, 11 is added to obtain the next one.

PTX ==> (P+11) (T+11) (X+11) ==> AEI

AEI ==> (A+11) (E+11) (I+11) ==> LPT

LPT ==> (L+11) (P+11) (T+11) = WAE

Hence 'WAE' will come in place of the question mark.

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