Quantitative Aptitude - Arithmetic Ability Questions

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

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

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

What is the measure (in degree) of an exterior angle of a regular polygon of 9 sides?

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

What is the simplified value of (cos4 A – sin4 A)?

If Tan θ = 4/3, then what is the value of Sin θ?

Sum of four times a fraction and 6 times its reciprocal is 11. What is the fraction?