Verbal Reasoning - Mental Ability Questions

Teacher is related to Class in the same way Driver is related to

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
60 x 5 + 3 ÷ 24 - 6 = ?

A man is facing towards the west. He turns 45 degrees clockwise and then another 180 degrees anticlockwise. Finally, he turns 90 degrees in the right. Which direction is he facing now?

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

CD, ? , MN, UV, EF

The orthocentre of a triangle lies on one of the sides. Then______

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

What will come in place of the question mark (?) in the following number series?14, 18, 9, 25, 0, ?