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In the following question, a letter-number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.

D4W, H9T, L16Q, P25N, ...?..

Solution

✅ Correct Option: 1

Three patterns run in parallel.

First letter: D, H, L, P advance by 4, so the next is T.

Number: 4,9,16,254, 9, 16, 25 are 22,32,42,522^2, 3^2, 4^2, 5^2, so the next is 62=366^2 = 36.

Last letter: W, T, Q, N fall by 3, so the next is K.

The term is T36K.

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