Materials for Logical Reasoning - Letters and Symbols

1.	SCD, TEF, UGH, ____, WKL
	A. CMN B. UJI C. VIJ D. IJT Answer & Explanation Answer: Option C Explanation: There are two alphabetical series here. The first series is with the first letters only: STUVW. The second series involves the remaining letters: CD, EF, GH, IJ, KL.

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2.	B2CD, _____, BCD4, B5CD, BC6D
	A. B2C2D B. BC3D C. B2C3D D. BCD7 Answer & Explanation 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.

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3.

FAG, GAF, HAI, IAH, ____

A. JAK B. HAL C. HAK D. JAI Answer & Explanation Answer: Option A Explanation: The middle letters are static, so concentrate on the first and third letters. The series involves an alphabetical order with a reversal of the letters. The first letters are in alphabetical order: F, G, H, I , J. The second and fourth segments are reversals of the first and third segments. The missing segment begins with a new letter.

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4.	ELFA, GLHA, ILJA, _____, MLNA
	A. OLPA B. KLMA C. LLMA D. KLLA Answer & Explanation 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.

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5.	CMM, EOO, GQQ, _____, KUU
	A. GRR B. GSS C. ISS D. ITT Answer & Explanation 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.