Quantitative Aptitude - Arithmetic Ability Questions

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

The curved surface area and the diameter of a right circular cylinder are 352 cm² and 14 cm respectively. Find its height (in cm).

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is

Two valves P and B can fill a sump in 37.5 minutes and 45 minutes respectively. Both valves are opened. The sump will be filled in just 30 minutes, if valve B is turned off after

If cosA + cos2A = 1 then the value of sin2A + sin4A is

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

If Tan θ = 7/24, then what is the value of Cosec θ?

The slopes of two lines are 1 and √3. What is the angle between these two lines?