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Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. DAG, FCI, ?, JGM, LIO

AWUG

BYOI

CHOK

DHEK

Answer:

D. HEK

Read Explanation:

Observe each position in the letter cluster separately:

  • 1st letters: D, F, H, J, L → increase by 2

  • 2nd letters: A, C, E, G, I → increase by 2

  • 3rd letters: G, I, K, M, O → increase by 2

So the missing letter cluster is:

H E K

Answer: HEK


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