Quantitative Aptitude - Arithmetic Ability Questions

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

The income of S, T and U are in the ratio of 7 : 9 : 6 and their expenses in the ratio of 4 : 5 : 3. If S saves Rs 2000 out of an income of Rs 14000, then what will be the saving (in Rs) of T?

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 12 sq cm, what is the area of the equilateral triangle?

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

sinA/(1 + cos A) is equal to

If Cos θ = 5/13, then Cosec θ = ?

If A and B are the roots of the equation Ax2 – A2x + AB = 0, then what is the value of A and B respectively?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ______ .