Quantitative Aptitude - Arithmetic Ability Questions

If 1/√(1+tan2A) = x, then value of x is

sec2Acosec2A is equal to

If the sum of ten different positive integers is 100, then what is the greatest possible number among these 10 numbers?

What is the simplified value of [(sec3x – tan3x)/(sec x – tan x)] – 2 tan2x – sec x tan x?

If √(sec2A - 1)/secA = x, then the value of x is

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).

The third proportional of two numbers 4 and 28 is _______.