Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series?
PQST, TOVS, ?, BKBQ, FIEP
Option 1: XMYR
Option 2: XYRM
Option 3: YNZQ
Option 4: XNYQ
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Correct Answer: XMYR
Solution :
Given:
PQST, TOVS, ?, BKBQ, FIEP
First letter of the series→P + 4 = T; T + 4 = X; X + 4 = B; B + 4 = F
Second letter of the series→Q – 2 = O; O – 2 = M; M – 2 = K; K – 2 = I
Third letter of the series→S + 3 = V; V + 3 = Y; Y + 3 = B; B + 3 = E
Fourth letter of the series→T – 1 = S; S – 1 = R; R – 1 = Q; Q – 1 = P
So, XMYR is the missing term of the series. Hence, the first option is correct.
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