Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?
TOP, XST, BWX, FAB, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. JEF.
Given series: TOP, XST, BWX, FAB, ?
T + 4 = X; X + 4 = B; B + 4 = F; F + 4 = J
O + 4 = S; S + 4 = W; W + 4 = A; A + 4 = E
P + 4 = T; T + 4 = X; X + 4 = B; B + 4 = F