Quantitative Aptitude - Arithmetic Ability Questions

The price of an article is cut by 7%, to restore it to its original value, the new price must be increased by

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

What is the equation of a line of slope 1/3 and y-intercept 5?

Simplify : -21973 × -1253 ÷ 275123

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

Product of 6ab, 3b and 4a is

If cosAcotA/(1 -­ sinA) = x, then the value of x is

A helicopter, at an altitude of 1500 m, finds that two ships are sailing towards it, in the same direction. The angles of depression of the ships as observed from the helicopter are 60° and 30°respectively. Distance between the two ships, in metres is