Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series.
ABC, BDF, CFI, ?
Option 1: DLH
Option 2: LDH
Option 3: DIL
Option 4: DHL
Correct Answer: DHL
Solution :
Given:
ABC, BDF, CFI, ?
Add 1, 2, and 3 in the place value of the first, second, and third terms –
ABC→A + 1 = B; B + 2 = D; C + 3 = F→BDF
BDF→B + 1 = C; D + 2 = F; F + 3 = I→CFI
CFI→C + 1 = D; F + 2 = H; I + 3 = L→DHL
So, the required missing term of the series is DHL. Hence, the fourth option is correct.
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