In how many years a sum of Rs. 3000 will yield an interest of Rs. 1080 at 12% per annum simple interest?

Which of the following has the fractions in descending order?

A man invested a sum of money in Scheme A, at a rate of 15% per annum for simple interest, at the end of 2 years the amount received by him is invested in scheme B at 20% per annum for compound interest. If the interest received by him from scheme B at the end of 2 years is Rs. 2860, then find the sum invested by man in the beginning?

A person bought pens at 25 for a rupee and sold at 15 for a rupee. What is his profit percentage? 

 In an office of 900 employees, on a particular day, except for 10% of the female employees, all employees were present. On the next day, except for 8% of the male employees, all employees were present. The number of employees present on each of these two days was the same. Find the total number of male employees on the payrolls of this office.

Direction: Given bar graph shows the number of plain books and lined books (in hundreds) available at three different stores and the table shows the percentage of total books (Plain + lined) that was sold by different stores.

Unsold books of store A is approximately is what percent more or less than total unsold books of store B and C together. 

In a school of 1200, students were asked how they travelled to school. The information obtained is depicted by a pie-chart as below. From the given information find how many students come to school by Car?