Quantitative Aptitude - Arithmetic Ability Questions

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

If cos 21° = x/y, then cosec 21° -­ cos 69° is equal to

Find two numbers such that their mean proportion is 8 and third proportion is 64.

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

If the ratio of the angle bisector segments of the two equiangular triangles are in the ratio of 3:2 then what is the ratio of the corresponding sides of the two triangles?

BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is

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

In an acute-angled triangle ABC is Sin(B+A+C)=32 and tan(C+A-B)=1, then C is equal to