Quantitative Aptitude - Arithmetic Ability Questions

If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?

What is the simplified value of (cos A + sin A)(cot A + tan A)?

ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is

The ratio of present ages of Ratnabali and Shaukat is 8:5. After 22 years the ratio of their ages will be 10:9. At present, what is Ratnabali's age?

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

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is

Select the odd letters from the given alternatives.