Verbal Reasoning - Mental Ability Questions

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

160 + 8 x 30 ÷ 4 - 6 = ?

Two motorcyclists P and Q start from the same point. P rides 11 km West, then turns South and rides 16 km, then turns to his right and rides 14 km. Q rides 30 km South, then turns to his right and rides 25 km. Where is Q with respect to P now?

Pointing at X, Y says, "X is the son of the only son of my mother". Then Y is X's ___.

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

Find the odd word/letters/number pair from the given alternatives.
(A) 24
(B) 49
(C) 64
(D) 81

Pointing towards a girl, Rajan said, she is the daughter of my mother's daughter. Then how is the girl related to Rajan?

If TABLE is written as 84973 and CHAIR is written as 51462, then how is TEACHER coded?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

3/5, 1.4, 11/5, ? , 19/5, 4.6