Verbal Reasoning - Mental Ability Questions

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

5 ÷ 4 ­ 10 + 7 x 16 = ?

In a row of swimmers Manish, is 23rd from the left end. Ramesh is 11 ranks to the left of Manish. If Ramesh is 16th from right end, then how many swimmers are there in this row?

Select the related word/letters/numbers from the given alternatives: DBCE : QOPR :: JLKI : ?

P is the brother of Q. Q is the brother of R. P is the son of S. Based these three statements, much of the following statements cannot be definitely true?

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

8 ÷ 6 - 5 + 70 x 10 = ?

Select the related word/letters/number from the given alternatives.
GT : IV : : KX : ?

P, Q, R, S and T are standing in a line. P is taller than S but shorter than Q. T is shorter than S but taller than R. Who is the second tallest of them all?

Two rugby players start running from the same place on the pitch. Player A runs 20 m South, then turns to his left and runs 26 m. In the mean while Player B runs 12 m West, then he runs 6 m South, the he turns to his left and runs 38 m. Where is Player A with respect to Player B?