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?

54 x 9 - 3 ÷ 4 = ?

If '+' stands for '÷', '­' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands for subtraction, then which of the following alternatives is correct?

If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

If '←' stands for '+', '→' stands for '-', '↑' stands for '÷', '↓' stands for 'x', '^' stands for '=', then which of the following alternatives is correct?

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

1,2,4,7,?,16

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

AK, CO, ES, ?

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

2 x 12 ÷ 32 - 5 + 4 = ?

The number of symbols that are preceeded by a letter and not followed by a number in the following expression is ___.

A$1%MB#6&NC=3!OD+KP