Verbal Reasoning - Mental Ability Questions

Choose the related word/letters/number from the given alternatives.
AF : BE : : ? : DH

If "*" denotes "added to", "&" denotes "divided by", "@" denotes "multiplied by" and "%" denotes "subtracted from", then 135 & 15 @ 10 % 3 * 6 = ?

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?

If REDUCE= 56, RECYCLE = 71 then REUSE=?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
J_J_L_KL_JK_MN

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

6 x 6 ÷ 10 - 8 + 2 = ?

In the following question, select the odd number from the given alternatives.

Ram went 20 meters to the north then turned towards east and walked another 5 meters, then he turned towards right and covered 20 meters. How faris he from the starting point?