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തന്നിരിക്കുന്ന ശ്രേണി പൂരിപ്പിക്കാൻ ഉചിതമായ പദം ഏത്?

ab_ da _cda _cd_ bcd

Adabc

Bbcad

Ccbba

Dcabb

Answer:

C. cbba

Read Explanation:

The series appears to be based on the letters a, b, c, and d forming groups of four, which are often cyclically permuted (shifted).

ab - da - cda -cd - bcd

The letters to complete the series are $\mathbf{c}$, $\mathbf{b}$, $\mathbf{b}$, $\mathbf{a}$... depending on the location of the blanks.

abcd/ abcd/ abcd/ abcd


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ACE:FGH::LNP:.....
ABC, CDE, ?, GHI, …..
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