Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If cosP = 5/13, then what is the value of cosecR ?

What is the value of (1+cosA)/(1-­cosA)?

If sin(A/2) = x, then the value of x is

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

If Tan θ = 4/3, then what is the value of Sin θ?

The amount (in Rs) received at 10% per annum compound interest after 3 yrs is Rs 1,19,790. What was the principal?

In the following question, select the odd word pair from the given alternatives.

Two trains, one 150 m long and the other 130m long, coming from opposite directions crosssed each other in 7.2 seconds. The sum of speed of the two trains every hour would then be