Quantitative Aptitude - Arithmetic Ability Questions

What are the co­-ordinates of the mid point of the segment joining points C(0,­-3) and D(8,5)?

 What is the value of (cosec45 + √3/2) ?

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

If cosθ = x2-y2x2+y2, then the value of cotθ is

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was