Thread: Question related to Line Graph ( Effective %, Average)

Hello Experts,

Study the following attached graph carefully to answer these questions:

see the attached file for graph ( line graph.jpg)

Q A) If the average population for years 1998, 1999 and 2000 was 2.67 lakhs, what was the population in 1998 ?
1) 1.6 lakhs
2) 1.8 lakhs
3) 2.4 lakhs
4) can not be determined
5) none of these

Q B) what was the effective percent rise in population from 2000 to 2002 ?
1) 217
2) 88
3) 85
4) 117
5) None of these

Plz solve these two questions with explanation..............

Hey ift38375.

Hint: Write down two sets of equations (one being the average and the other being the ratios of all cities population with respect to the others) to get a set of simultaneous equations and see if you can get a solution.

Hello Experts,

Plz help me out.........

Plz show interest in my question...... you can assume lakhs = $, it is just for currency