Quantitative Aptitude - Arithmetic Ability Questions

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

A, B and C are employed to complete a work in Rs. 784. If A and B together complete 23/28 of the work. Calculate the wages (in Rs.) paid to C?

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

Find the least number to be added to 1739 so that it is exactly divisible by 11.

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

Find out the odd word/letters/number/number pair from the given alternatives.

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?