Question : Directions: Select the letter cluster that can replace the question mark (?) in the following series.
EFY, FID, GLI, HON, IRS,?
Option 1: KUX
Option 2: KQY
Option 3: JUX
Option 4: JVY
Correct Answer: JUX
Solution :
Given:
EFY, FID, GLI, HON, IRS,?
Add 1, 3, and 5 in the positional value of the first, second, and third letters of the series.
EFY→E + 1 = F; F + 3 = I; Y + 5 = D→FID
FID→F + 1 = G; I + 3 = L; D + 5 = I→GLI
GLI→G + 1 = H; L + 3 = O; I + 5 = N→HON
HON→H + 1 = I; O + 3 = R; N + 5 = S→IRS
IRS→I + 1 = J; R + 3 = U; S + 5 = X→JUX
So, the required missing number is JUX. Hence, the third option is correct.
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