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.

24 + 12 x 30 ÷ 2 - 6 = ?

A boy is traveling towards the west. He turns to the right and then again turns to the left. In which direction is the boy facing now?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
DP, EY, FJ, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
19, 29, 40, 44, ?

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

4, 9, 25, 64, 169, ?

A man starts from a point, walks 5 km towards East, turns right and walks 3 km, turns right again and walks. What is the direction he is facing now?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
ZA, TG, NM, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 10, 30, 68, ?