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
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
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
Sol: Option A Explanation: If the first two statements are true, then Erasers are the most expensive of the three stationery items.