Verbal Reasoning - Mental Ability Questions

Select the missing number from the given responses.

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

18 - 2 + 20 x 10 ÷ 4 = ?

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

In the following question, select the odd word pair from the given alternatives.

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

aa_ab_ _aaa _a

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. PR, VX, BD, ?

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 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?