Quantitative Aptitude - Arithmetic Ability Questions

Choose the most appropriate answer:A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 Km/h and the speed of the current is 3 Km/h, the distance between A and B is

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

In the first 38 overs of a cricket match, the run rate was 4.5 runs/over. Calculate the required run rate in the remaining 12 overs to reach the target of 288 runs?

On dividing 8a2b2c2 by 4a2, we get

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

What is the slope of the line, perpendicular to the line 3x - 6y = 4?

In the given figure, AB is a diameter of the circle with center O and XY is the tangent at a point C. If ACX = 35 deg, then what is the value (in deg) of CAB?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).