Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series?
PK, GT, XC, OL, ?
Option 1: GT
Option 2: HS
Option 3: EV
Option 4: FU
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Correct Answer: FU
Solution :
Given:
PK, GT, XC, OL, ?
In the given series, subtract and add 9 alternately to the place value of the letters of the previous term to get the next term –
PK→P – 9 = G; K + 9 = T
GT→G – 9 = X; T + 9 = C
XC→X – 9 = O; C + 9 = L
OL→O – 9 = F; L + 9 = U
So, FU is the missing term of the series. Hence, the fourth option is correct.
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