Quantitative Aptitude - Arithmetic Ability Questions

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

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

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

What is the third proportional to 10 and 25?