Quantitative Aptitude - Arithmetic Ability Questions

Find the 4th proportional to 9, 17 and 27.

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =

If cot π/3c -­ tan π/4c = x, then the value of x is

A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

Working together P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?