Equation of the straight line parallel to x-axis and also 3 units below x-axis is: 

A works 7 hours a day at the rate of 180 per hour. B works 5 hours a day at the rate of 160 per hour. What is the ratio of daily earnings of A and B?

In a triangle, lengths of all the three medians are 9 cm, 12 cm. and 15 cm respectively. Then what will be the area of the triangle?

In a mixture of 35 liters, the ratio of milk and water is 4 : 1. How many liters of water must be added to make the ratio 2 : 3?

A man can row $$7{1\over 2}km/h$$ in still water. If a river running at 1.5 km an hour, it takes him 50 minutes to row to a place and back, how far off is the place? 

An alloy has Iron, Silver and Bronze in the ratio 7 : 2 : 3. Another alloy has Silver and Bronze in ratio 1 : 2. In what ratio should the two mixtures be mixed so that the ratio of Iron and Silver in resultant mixture is 5 : 3?

The cost price of 10 articles is equal to the selling price of 9 articles. Find the profit percent.

Directions: Answer the questions based on the information given below:
The following line graph shows revenue and expenditure of company A for 5 years (in Lakhs):

What is the average revenue of the company over the years?