For the following questions answer them individually
What is the effective annual rate of interest corresponding to a nominal rate of 10% per annum payable half-yearly?
A Wire is in the form of square with side 44 cm. It is bent to form a circle. What is the radius of the circle?
A person bough, some pens at the rate of 30 for a rupee and sold them at the rate of 20 for a rupee. What is the profit percentage?
The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 30 percent per annum for 2 years is Rs. 3600. What is the sum?
A water purifier is on sale for 10% discount on the original price. A store - wide sale results in an additional discount of 15%. What is the total discount on the original price?
The following bar graph shows the total number of employees in 4 different companies.
What is the sum of female employees of company Q and company S?