Quantitative Aptitude - Arithmetic Ability Questions

Simplify : 132 - 142 + 172 - 250 = ?

The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:

Two pipes X and Y can fill an empty tank in 16 hours and 20 hours respectively. Pipe Z alone can empty the completely filled tank in 25 hours. Firstly both pipes X and Y are opened and after 6 hours pipe Z is also opened. What will be the total time (in hours) taken to completely fill the tank?

The sum of a fraction and 10 times its reciprocal is 37/4. What is the fraction?

A does 1/2 as much work as B and C does1/2as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in

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

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?

If (4x - 3) - (2x + 1) = 4, then the value of x is