Quantitative Aptitude - Arithmetic Ability Questions

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?

Solve : (x + 2y) (2x - y)

The value of Sin 60 is

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 40√3 m away from the tower, how tall was the tower?

In the following question, select the odd word pair from the given alternatives.

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

How many times does the number 5 occur in the range of numbers from 1 to 100?