Quantitative Aptitude - Arithmetic Ability Questions

∆XYZ is right angled at Y. If tanX = 15/8, then what is the value of sinZ ?

Expand and simplify (x + 4)2 + (x -­ 2)2

What is the value of ( 1/2 - cot45) ?

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

If 1/4th of the wall is painted blue, 1/2 is painted yellow and remaining 3 m is painted white, what is the length of the wall?

If 2x - 2(3 + 4x) < -1 - 2x > -5/3 - x/3; then x can take which of the following values?

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)