If the angle of the elevation of sun is θ and the length of the shadow of a pole of length P is S, then 

Direction: Percentage of different types of employees in a company in two consecutive years.

From 1997 to 1998 in the case of which of the following types of employees the change was maximum ? 

If the simple interest on a certain sum of money for 2 years in one fifth of the Principal, then find rate of interest per annum. 

A man saves 20% of his  monthly salary. If an account of dearness of things he is to increase his monthly expenses by 20%, he is only able to save Rs. 200 per month. What is his monthly salary?

Directions: The bar graph given below shows the spending of family income on various items and savings during 1993. Observe the graph and answer the following questions:

The total expenses of the family on transport is equal to those spent on: 

In the triangle ABC, AB = 2 cm, BC = 3 cm and AC = 4 cm. D is the middle point of AC. If a square is constructed on the side BC, what is the area of the square?

A man wanted to sell an article with 20% profit: but he actually sold at 20% loss for Rs. 480, At what price he wanted to sell it to earn the profit? 

If $$ sin(θ+30^0)= {3\over \sqrt { 12} }  $$ then find cos²θ :