Directions (1 - 5): Study the following graph carefully to answer the questions that follow:
Monthly income (Rs. in thousands) of three different persons in six different years
1.
What was the different between the total monthly salary of Arun in all the years together and Suman’s monthly income in the year 2007?
Total monthly salary of Arun in all the years
= 14000 + 18000 + 23000 + 21000 + 27000 + 25000
= Rs. 128000
Monthly salary of Suman in the year 2007 = Rs. 15000
Difference between their Salary
= 128000 - 15000
= Rs. 1.13 lakh
2.
In which year was the difference between Jyoti’s monthly income and Arun’s monthly income second highest ?
Jyoti's income in 2008 = Rs. 27000
Jyoti's income in 2007 = Rs. 18000
∴ Increase percentage
$$\eqalign{
& = \frac{2700-1800}{18000}\times100 \cr
& = \frac{9000}{18000}\times100 \cr
& = 50\% \cr} $$
4.
What is the respective ratio between Arun’s monthly income in the year 2006, Suman’s monthly income in the year 2007 and Jyoti’s monthly income in the year 2005?
Monthly income of Suman in year 2009 = Rs. 29000
Monthly income of Jyoti in year 2010 = Rs. 35000
$$\eqalign{
& = \frac{29000}{35000}\times100 \cr
& = 82.85 \cr
& \approx 83\% \cr} $$