Quantitative Aptitude - Arithmetic Ability Questions

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S? 

What is the equation of the line which intercepts x­axis and y­axis at 3/4 and ­2/3 respectively?

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

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

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

The distance between the points (11,­5) and (k,0) is 13. Find k.

If tan2A + cot2A + 2 = x, then the value of x is

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ∠ABC = ∠ACB = 75°.