Sol: Option A Explanation: The 2nd letter is static, so concentrate on the 1st and 3rd letters. This series involves an alphabetical order with a reversal of the letters. The 1st letters are in alphabetical order: L, M, N, O & P. The 2nd and 4th segments are reversals of the 1st and 3rd segments. The missing segment begins with a new letter.
FXGB, HXIB, JXKB, _____, NXOB
A. OXPB
B. KXMB
C. LXLB
D. LXMB
Sol: Option D Explanation: The 2nd & 4th letters in the series, X and B, are static. The 1st & 3rd letters consist of an alphabetical order beginning with the letter F.
DNN, FPP, HRR, _____, LVV
A. GRR
B. GSS
C. JTT
D. ITT
Sol: Option C Explanation: The 1st letters are in alphabetical order, with a letter skipped in between each segment: D, F, H, J, L. The 2nd & 3rd letters are repeated; these letters are also in order with a skipped letter as was in the previous case: N, P, R, T, V.
Pens cost more than pencils.
Pens cost less than eraser.
Erasers cost more than pencils and pens.
If the first two statements are true, the third statement is
A. True
B. False
C. Uncertain
Sol: Option A Explanation: If the first two statements are true, then Erasers are the most expensive of the three stationery items.
Sol: Option D Explanation: Logic is: The difference is 18, 24, 30, 36, 42.
Next term should be 128 + 42 = 170
Mayank walks faster than Gurjot.
Lalit walks faster than Mayank.
Gurjot walks faster than Lalit.
If the first two statements are true, the third statement is
A. True
B. False
C. Uncertain
Sol: Option B Explanation: We know from the first 2 statements that Lalit walks fastest. Therefore, the third statement is necessarily false.