What are some Reasoning Ability questions asked in Aptitude round questions for campus placement for TCS?

Some of the Reasoning Ability questions asked in Aptitude Round Questions asked in TCS campus placements are:

• A solid cube is painted blue on all its faces and is then cut into 343 smaller cubes.How many of these smaller cubes have none of their faces painted?
• What is the wrong number in the following series?
CMQ , FPT , JTX ,OYC , UFI
• In a certain code A%B means A is the brother of B, A&B means A is the mother of B, A@B means A is the daughter of B, A$B means A is the father of B, A#B means A is the sister of B.
• In a certain code, A % B means ‘A is the brother of B’, A & B means ‘A is the mother of B’, A @ B means ‘A is the daughter of B’, A $ B means ‘A is the father of B’ and A # B means ‘A is the sister of B’.
If K $ Z % U & H # N @ T, how is T related to U?
• If both companies A and B merge together to form company C, then what is the percentage of marketing and accounting employees in total employees of company C?
• Five Friends A, B,C, D, E are sitting in a line facing North. Who is sitting exactly in the middle?
I.C is sitting between A and B.E is at fourth place to the left of B.
II. E is sitting to the immediate left of D.C is to the immediate left of B.
• In a certain code, K*N means K is the brother of N, K+N means K is the husband of N, K x N means K is the mother of N and K ÷ N means K is the sister of N, then which of the following expressions means C is the daughter of Y.?