Quantitative Aptitude - Arithmetic Ability Questions

Average age of 4 daughters of a family is 12 years. The average age of daughters and their parents is 26 years. If the mother is 4 years older than the father, then what is the age (in years) of the father?

A number exceeds its 1/6 by 30. What is the number?

What is the slope of the line perpendicular to the line passing through the points (-5 , 1) and (-2 , 0)?

Select the odd letters from the given alternatives.

Select the odd word from the given alternatives.

If 40 is 0.05% of x, then what is the value of x?

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

Simplify : 132 - 142 + 172 - 250 = ?