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 + 10 x 21 ÷ 5 - 15 = ?

In the following question, select the related number from the given alternatives.
40 : 100 : : 56 : ?

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

0, 3, 8, ? , 24, 35

Which of the following interchanges in signs and numbers will make the given equation correct?
8 x 6 + 4 = 52

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

9, 26, 60, 111, ?

A marathon route starts and goes 21 km North, then there is a turn towards West where the route goes on for 7 km, then there is a turn towards North where the route goes on for 10 km, then there is a right turn from where the route goes on 7 km to reach the end. Where is it now with reference to its starting position?

A man walks 3 km West, then turns South and walks 7 km, then turns East and walks 3 km, then turns to his right and walks 5 km. Where is he now with reference to her starting position?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
REASONABLE