Quantitative Aptitude - Arithmetic Ability Questions

If sinA/(1 + cosA) = x, then x is

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

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

What are the co­ordinates of the centroid of a triangle, whose vertices are A(­2,­5), B(4,­4) and C(7,3)?

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

What is the third proportional to 10 and 25?

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

What is the distance between the points (11,-5) and (-1,0)?