Quantitative Aptitude - Arithmetic Ability Questions

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

Simple interest on a sum of Rs 67400 for 14 months is Rs 4718. What is the rate (in percentage) of interest per annum?

PQ and RS are common tangents to two circles intersecting at A and B. AB, when produced both sides, meet the tangents PQ and RS at X and Y, respectively. If AB = 3 cm, XY = 5 cm, then PQ (in cm) will be

Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)