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Question

Jessica and Jenny are bright students in your class. Both of them are toppers thus they have good competition between them. Now, as your final term examination was over, Jessica was very scared of her result as she could not do so well. Next day, the results were out and it was represented in a graphical manner.

The bar graph shows the scores Jessica obtained in the end of year exams. Jenny's score in English was 15% higher than Jessica's score in English. What was Jenny's score in English?



A

89

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B

79

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C

60

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D
69
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Solution

The correct option is D 69

Top of the English column on the graph is mapped to the point 60 on the vertical axis. So Jessica's score for English is 60. Then we must add 15 % of 60 to 60 to get Jenny's score in English.

 60 + 15 % of 60 = 60 + (15/100) × 60 = 60 + 9 = 69


Mathematics

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