I want to study Geology now for I ______ Zoology for the last three years.

The line graph shows the number of students of a certain university who failed in the given year in their final exams. Study the diagram and answer the following questions What is the average number of failures in the last three years?

What has been the order of India's Imports during the last three years ?

(Super Profit Method). A firm earned net profits during the last three years as: {:("Years",I,II,III),("Profits(Rs.)","18,000","20,000","22,000"):} The capital investment of the firm is Rs. 60,000. Normal return on the capital is 10% . Calculate value of goodwill on the basis of three years' purchase of the average super profit for the last three years.

Years _________ since I saw her last .

Aftab tells his daughter, ''Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be.'' (Isn't this interesting?) Represent this situation algebraically and graphically.

Solve by the method of substitution, Aftab tells his daughter "Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be." Find their present ages.