Question : Directions: Which of the following letter clusters will replace the question mark (?) and complete the following letter cluster series?
LE, OJ, UO, DT, (?)
Option 1: PZ
Option 2: QY
Option 3: PX
Option 4: PY
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Correct Answer: PY
Solution :
Given:
LE, OJ, UO, DT, ?
Add multiples of 3 to the first letter of the series and add 5 to the second letter of the series.
LE: L + 3 = O; E + 5 = J.
OJ: O + 6 = U; J + 5 = O.
UO: U + 9 = D; O + 5 = T.
DT: D + 12 = P; T + 5 = Y.
So, the missing term is PY. Hence, the fourth option is correct.
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