Question : Directions: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
NTS, JZF, FFS, BLF, ?
Option 1: XMO
Option 2: XMQ
Option 3: XRS
Option 4: XSM
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Correct Answer: XRS
Solution :
Given:
NTS, JZF, FFS, BLF, ?
Subtract 4 and 13 from the place value of the first and the third letters and add 6 to the place value of the second letter of the previous term to obtain the next term.
NTS→N – 4 = J; T + 6 = Z; S – 13 = F→JZF
JZF→J – 4 = F; Z + 6 = F; F – 13 = S→FFS
FFS→F – 4 = B; F + 6 = L; S – 13 = F→BLF
BLF→B – 4 = X; L + 6 = R; F – 13 = S→XRS
So, XRS is the missing term in the given series. Hence, the third option is correct.
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