Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Tan 45° + 4/√3 Sec 60°?

What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?

If X=32, then the value of 27x3-54x2+36x-11 is

The radius of a sphere and hemisphere are same. The ratio of their total surface area is

A boy running at 10/9 th of his actual speed covers 39 km in 2 hours 20 minutes and 24 seconds. Find the actual speed of the boy (approx.)

If 35% of A is equal to 60% of B, then what is the ratio of A and B?

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

If 13x2 = 172 - 92, find the value of x?