Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series.
LMA, NOB, PQC, ?, TUE
Option 1: TUV
Option 2: RSD
Option 3: DOA
Option 4: BRD
Correct Answer: RSD
Solution :
Given:
LMA, NOB, PQC, ?, TUE
In the given series, add 2 to the place value of the first and second letters and add 1 to the place value of the third letter of the previous term to obtain the next term –
LMA→L + 2 = N; M + 2 = O; A + 1 = B
NOB→N + 2 = P; O + 2 = Q; B + 1 = C
PQC→P + 2 = R; Q + 2 = S; C + 1 = D
RSD→R + 2 = T; S + 2 = U; D + 1 = E
So, the missing term in the series is RSD. Hence, the second option is correct.
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