Quantitative Aptitude - Arithmetic Ability Questions

AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is

Pipes A and C can fill an empty cistern in 32 and 48 hrs, respectively while Pipe B can drain the filled cistern in 24hrs. If the three pipes are turned on together when the cistern is empty, how many hrs will it take for the cistern to be 2/3 full?

The sum of the lengths of the edges of a cube is equal to four times the perimeter of a square. If a quarter of the numerical value of the volume of the cube is equal to the numerical value of the area of the square, then the length of one side of the square is

The heights of a cone and a cylinder are equal. The radii of their bases are in the ratio 2:1. The ratio of their volumes is:

In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?

In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?

The point equidistant from the sides of a triangle is called

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