Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (cot45 - √2) ?

If tanθ = 724 then find the value of p such that tanθ - secθsinθ = -p28

If  a+1/a = 3, then a3+1a3?

If x = (a/b) + (b/a), y = (b/c) + (c/b) and z = (c/a) + (a/c), then what is the value of xyz – x2 – y2 – z2?

Convert decimal 99 to binary.

The triangle in which the orthocenter, circumcentre, Incenter and the centroid coincide each other at a point is known as _____________.

If a cone of radius 10.5 cm and height 12 cm is melted and constructed into a cylinder of the same radius, what will be the height of this cylinder?

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?