Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 60°- Sec 45°?

If a - b = 1 and ab = 6, then what is the value of a3- b3?

Product of 6ab, 3b and 4a is

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?

If √(1 - cos2A) = x, then the value of x is

What is the value of 143 + 163 + 183 + ... + 303?

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?