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?

50 + 5 - 700 x 28 = ?

If 5 x 4 x 0 = 405
3 x 2 x 8 = 283
then 1 x 7 x 6 = ?

Find the missing number from the given alternatives.

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

160 + 8 x 30 ÷ 4 - 6 = ?

In a certain code language, "SIGHT" is written as "@?*^!" and "ANT" is written as "#&!". How is "NIGHT" written in that code language?

A migrating bird flies 40 km North, then turns East and flies 50 km, then turns North and flies 110 km, and turns to its left and flies 50 km. Where is it now with reference to its starting position?

Identify the diagram that best represents the relationship among classes given below
Tennis fans, Cricket players, Students

Select the odd letters from the given alternatives.