Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series.
CDE, HIJ, MNO, ?
Option 1: KNM
Option 2: TRS
Option 3: QRS
Option 4: RST
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Correct Answer: RST
Solution :
Given:
CDE, HIJ, MNO, ?
Add 5 to the positional value of each letter of the previous term to get the next term in the series.
First letter of the series→C + 5 = H; H + 5 = M; M + 5 = R
Second letter of the series→D + 5 = I; I + 5 = N; N + 5 = S
Third letter of the series→E + 5 = J; J + 5 = O; O + 5 = T
So, RST is the missing term of the series. Hence, the fourth option is correct.
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