Quantitative Aptitude - Arithmetic Ability Questions

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

If n + n2 + n4 + n8 = 45, then find the value of 'n' which will satisfy the equation.

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

Which of the following numbers is divisible by 12?

A girl walking at the speed of 2 km/hr covers a certain distance in 7 hours 30 minutes. If she covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of cycle?

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by

The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?

The length of each side of a rhombus is 25 m and the length of one of its diagonals is 14 m. Find the area of the rhombus?