Line charts - Data Interpretation Questions and Answers

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In which periodical exams did the student obtain the highest percentage increase in marks over the previous periodical exams ?

June, 01

August, 01

Oct, 01

Dec, 01

Answer : Option C

Explanation :

Percentage increase in marks in various periodical exams compared to the previous exams are:

For jun 01 = [ \( \frac { (365- 360) } { 360} \) x 100 ]% = 1.39%

For Aug 01 = [ \( \frac { (370- 365) } { 365} \) x 100]% = 1.37%

For oct 01 = [ \( \frac { (385- 370) } { 370} \) x 100]% = 4.05%

For Dec 01 = [ \( \frac { (400- 385) } { 385} \) x 100]% = 3.09%

For Feb 02 = [ \( \frac { (404- 400) } { 400} \) x 100]% = 1.25%

Clearly, highest percentage increase in marks is in Oct 01.

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