Quantitative Aptitude - Arithmetic Ability Questions

2 litre of pure alcohol is added to 6 litre, 40% alcohol solution. The percentage of water in the solution is _____ .

What is the value of 23+5252-23 ?

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?

The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 metres, then what is the distance (in metres) between the two poles?

A Rs 100 shirt is offered at 10% discount and a Rs 300 pair of trousers at 20% discount. If Pritam bought 1 shirt and 3 pairs of trousers, what is the effective discount (in %) he got?

An angle is (2/3)rd of its supplementary angle. What is the measure of the angle?

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

In the given figure, ABC is a right angled triangle. ABC = 90 deg and ACB = 60 deg. If the radius of the smaller circle is 2 cm, then what is the radius (in cm) of the larger circle?