Quantitative Aptitude - Arithmetic Ability Questions

The length of two parallel sides of a trapezium are 18 m and 24 m. If its height is 12 m, then what is the area (in sq.m) of the trapezium?

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

A cylindrical vessel of radius 7 cm is partially filled with water. By how much will the water level rise if a sphere of radius 6 cm is completely immersed in this water?

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

Find the sum of the measures all the interior angles of a polygon having 12 sides.

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

The corners of a square of side ‘a’ are cut away so as to form a regular octagon. What is the side of the octagon?

The area and the breadth of a rectangle are 288 sq.cm and 16 cm respectively. Find the length of its perimeter (in cm).