Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
25 + 10 ÷ 240 x 16 = ?

Neeraj is facing north, then he turns 45 degree right and goes 25 m, then turns in south-east direction to move 25 m and from there 25 m to east. In which direction/place is he from his original place?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

LOP, MPQ, NQR, ORS, ?

What will be the next set of alphabets in the series? AZ, BY, CX, ___

Find out the odd word/letters/number/number pair from the given alternatives.

Select the related word/letters/number from the given alternatives.
Luminous intensity : Candela : : Pressure : ?

Find the next number in the given series. 9, 11, 15, 17, 21, 23, ?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
400, -200, 100, ? , 25, -12.5