If the difference between 2 years compound interest and simple interest at the rate of 5 percent of an amount is Rs. 25, then that amount will be?

The following chart depicts the percentage of Educated  and Uneducated men and women in a city with a population of 2,50,000.

How many of these women are Uneducated?

Pie chart shows the percent of money spent by family on various item during 1999. Study the graph and answer these questions.

Graph shows that the maximum amount was spent on

If the difference of interest of two banks of Rs 500 is Rs 2.50, find the difference between their rates.

In a two - digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at units and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is: 

Find the value of $$ {5^{1\over2}-[3^{1\over4}+6-4÷2]}$$

Two numbers are respectively 30% and 40% less than a third number. What percent is the first number of the second?

A book seller sells a book at a profit of 10 %. If he had bought it at 4 % less and sold it for Rs. 6 more. he would have gained $$18{3\over4}\%$$. The cost price of the book is