Quantitative Aptitude - Arithmetic Ability Questions

If a - b = 1 and ab = 6, then what is the value of a3- b3?

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

The sum of the lengths of the edges of a cube is equal to the perimeter of a square. If the numerical value of the volume of the cube is equal to the numerical value of the area of the square, then the length of one side of the square is

The least number that must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder 6 is:

If √(1 - cos2A) = x, then the value of x is

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

Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be

30 men can do a piece of work in 16 days working 8 hrs a day. How many men are needed to complete another work, which is twice the first one, in 10 days working 12 hrs a day?

The following are the steps involved in solving the above problem. Arrange them in sequential order.