Logical reasoning question

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1.B2CD, _____, BCD4, B5CD, BC6D
   A. B2C2D
   B. BC3D
   C. B2C3D
   D. BCD7

Answer: Option B

Explanation:
Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.

2.ELFA, GLHA, ILJA, _____, MLNA
   A. OLPA
   B. KLMA
   C. LLMA
   D. KLLA

Answer: Option D

Explanation:
The second and forth letters in the series, L and A, are static. The first and third letters consist of an alphabetical order beginning with the letter E.


3.CMM, EOO, GQQ, _____, KUU
   A. GRR
   B. GSS
   C. ISS
   D. ITT

Answer: Option C

Explanation:
The first letters are in alphabetical order with a letter skipped in between each segment: C, E, G, I, K. The second and third letters are repeated; they are also in order with a skipped letter: M, O, Q, S, U.


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