What is the percent loss incurred by the businessman in 2002and 2005 together?

Directions (Next Five Questions) : Refer to the line graph and answer the given questions.

                                     Data related to Income and Expenditure

                                (In INR hundred) of a Businessman During 7 years

Note :

(1) Profit = Income – Expenditure

(2) Loss = Expenditure – income

(3) Percent profit =  (Profit/Expenditure) × 100

(4) Percent Loss = (Loss/Expenditure) × 100

Directions (Next Five Questions) : In the given questions , two equations numbered I and II are given. You have to solve both the equations and