Quantitative Aptitude - Arithmetic Ability Questions

The least number that must be added to 8961 to make it exactly divisible by 84 is

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

The bus fare between two cities is increased in the ratio 25:29. Find the increase in the fare, if the original fare is Rs. 625

The bus fare between two cities is increased in the ratio 29:31. What is the increase in the fare, if the original fare is Rs 725

If a - b = 2 and ab = 24, then what is the value of a3- b3?

If ab-1b=cb-1c=ac-1a, then ac+ba+cb

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

Robin can do a work in 10 hours. Pradeep and Robin together can do the same work in 4 hours. Pradeep and Nitin together can do the samework in 5 hours. In how many hours Nitin alone can complete the same work?