Quantitative Aptitude - Arithmetic Ability Questions

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is

Select the odd word from the given alternatives.

If 2x/3 - [5(4x/5 - 4/3)]/2 = 1/3, then what is the value of x?

What is the measure (in degree) of an exterior angle of a regular polygon of 9 sides?

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?

The bus fare between two cities is increased in the ratio 11:18. What would be the increase in the fare, if the original fare is Rs 550?