Question : Directions: Select the letter cluster that can replace the question mark (?) in the given letter cluster series.
ZBQS, WXLM, ?, QPBA, NLWU
Option 1: TSHG
Option 2: TTGH
Option 3: TTGG
Option 4: STGG
Correct Answer: TTGG
Solution :
Given:
ZBQS, WXLM, ?, QPBA, NLWU
Subtract consecutive numbers starting from 3 to 6 from the positional value of each alphabet to obtain the next term in the series.
ZBQS → Z – 3; B – 4; Q – 5; S – 6 = WXLM
WXLM → W – 3; X – 4; L – 5; M – 6 = TTGG
TTGG → T – 3; T – 4; G – 5; G – 6 = QPBA
QPBA → Q – 3; P – 4; B – 5; A – 6 = NLWU
So, the missing term in the series is TTGG. Hence, the third option is correct.
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