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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..............

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

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.

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

Hello Experts,

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

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

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