Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

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

If secA/√(sec2A ­- 1) = x, then value of x is

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

In what ratio is the segment joining (12,­1) and (-­3,4) divided by the Y­-axis?

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?