Question : Directions: Select the option that will fill in the blank and complete the given series.
FTB, IQE, LNH, OKK, ?
Option 1: SHN
Option 2: RGM
Option 3: SHM
Option 4: RHN
Correct Answer: RHN
Solution :
Given:
FTB, IQE, LNH, OKK, ?
Add 3 in the first and third letters and subtract 3 from the second letter –
FTB→F + 3 = I; T – 3 = Q; B + 3 = E→IQE
IQE→I + 3 = L; Q – 3 = N; E + 3 = H→LNH
LNH→L + 3 = O; N – 3 = K; H + 3 = K→OKK
OKK→O + 3 = R; K – 3 = H; K + 3 = N→RHN
Therefore, the missing term in the series is RHN. Hence, the fourth option is correct.
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