Question : Directions: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
NRQS, NIYI, NZGY, ?, NHWE
Option 1: NQQO
Option 2: NQQQ
Option 3: NOOO
Option 4: NQOO
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Correct Answer: NQOO
Solution :
Given:
NRQS, NIYI, NZGY, ?, NHWE
Add 0 and 8 to the place values of the first and the third letters, and subtract 9 and 10 from the place values of the second and fourth letters, to obtain the next letter cluster –
NRQS→N + 0 = N; R – 9 = I; Q + 8 = Y; S – 10 = I→NIYI
NIYI→N + 0 = N; I – 9 = Z; Y + 8 = G; I – 10 = Y→NZGY
NZGY→N + 0 = N; Z – 9 = Q; G + 8 = O; Y – 10 = O→NQOO
NQOO→N + 0 = N; Q – 9 = H; O + 8 = W; O – 10 = E→NHWE
So, NQOO is the missing term in the series. Hence, the fourth option is correct.
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