A person borrows Rs.1,00,000 from a bank at 10% per annum simple interest and clears the debt in five years. If the instalment paid at the end of the first, second, third and fourth years to clear the debt are Rs.10,000, Rs.20,000, Rs.30,000 and Rs.40,000, respectively, what amount should be paid at the end of the fifth year to clear the debt?

The perimeter of a circle is equal to the square perimeter. What will be the ratio of their areas?

An article is sold at a discount of 20% and an additional discount of 30% is allowed on cash payment. If Vidya purchased the article by paying ₹ 2240 in cash, the marked price of the article was 

The given pie chart shows the percentage of students enrolled for the courses A, B, C, D and E in a university and the table shows the percentage of students that passed, out of the enrolled students.
Total Students=60,000

How many students passed in Course C?

The ratio of present ages of Shankar and Mohan is 7: 8 respectively. Four year hence this ratio becomes 9: 10 respectively. What is Shankar’s present age in years?

A furniture salesman increased the value of furniture by 20 percent due to the lure of more income, which led to a decrease of 30 percent in his sales, then tell him what percentage was reduced in his income?

If the price of tickets is increased in the ratio 8 : 11 then the number of tickets sold falls in the ratio 23 : 21 then what is the increase in the revenue, if the revenue before the increase in the price of the ticket was Rs 36,800 ?

A boat travel 75 km downstream and take same time as it travels 60 km in upstream. Speed of boat in downstream is what percent of the speed of boat in still water.