Quantitative Aptitude - Arithmetic Ability Questions

An angle is thrice its complementary angle. What is the measure of the angle?

What is the ratio of radius of incircle and circumcircle for an equilateral triangle with an area of 22√3 sq. units?

What is the equation of the line which passes through the points (3,­2) and (5,3)?

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?

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

If a2+1=9a, (a≠0) then the value of a2+1a2 is