Question : Directions: Select the letter cluster from among the given options that can replace the question mark (?) in the following series.
IBTW, JCSV, ?, LEQT
Option 1: JCCS
Option 2: IBWP
Option 3: KDTW
Option 4: KDRU
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Correct Answer: KDRU
Solution :
Given:
IBTW, JCSV, ?, LEQT
Here, add 1 to the place value of the first two letters and subtract 1 from the place value of the last two letters to get the next term of the series –
IBTW: I + 1 = J; B + 1 = C; T – 1 = S; W – 1 = V
JCSV: J + 1 = K; C + 1 = D; S – 1 = R; V – 1 = U
KDRU: K + 1 = L; D + 1 = E; R – 1 = Q; U – 1 = T
So, KDRU is the missing term of the series. Hence, the fourth option is correct.
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