Quantitative Aptitude - Arithmetic Ability Questions

CAlculate : 72-6-45÷5-72-2×2÷2+2

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?

If (secA - tanA)2 = x, then the value of x is

The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is

Slit 69 into three parts such that they are in A.P. and the product of their smaller parts is 483.

In a fraction when 3 is added to its numerator and denominator it becomes 4/5. And it becomes 1/2 when 2 is subtracted from both the numerator and denominator. Find the fraction.

If PA and PB are two tangents to a circle with centre O such that ∡APB = 80°. Then ∡AOP = 

What is the value of sin 330°?