Question : Directions: Which term from among the given options can replace the question mark (?) in the following series to make it logically complete?
BV 101, (?), DX 109, EY 113, FZ 117
Option 1: CW 105
Option 2: CV 104
Option 3: CW 106
Option 4: CV 107
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Correct Answer: CW 105
Solution :
Given:
BV 101, (?), DX 109, EY 113, FZ 117
Add 1 to the place value of the first and second letters and add 4 to the number, to obtain the next term –
BV 101→B + 1 = C; V + 1 = W; 101 + 4 = 105→CW 105
CW 105→C + 1 = D; W + 1 = X; 105 + 4 = 109→DX 109
DX 109→D + 1 = E; X + 1 = Y; 109 + 4 = 113→EY 113
EY 113→E + 1 = F; Y + 1 = Z; 113 + 4 = 117→FZ 117
So, CW 105 is the required term of the given series. Hence, the first option is correct.
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