In which subject was Krishna's performance the best, if she scored 94 out of 100 in
Mathematics, 29 out of 36 in Hindi, 45 out of 55 in Science and 19 out of 20 in Social
Science.
Answers
Given :
Krishna get:
- 94 out of 100 marks in mathematics
- 29 out of 36 marks in hindi
- 45 out of 55 marks in science
- 19 out of 20 marks in social science.
To find :
Subject in which Krishna's performance was best.
Solution :
Here we need to find subject in which Krishna's performance was best. For that we need to find out percentage of marks he get in each subject so that we can compare his performance in different subjects.
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1) Mathematics
Marks percentage in mathematics = Marks gained × 100 ÷ Maximum marks
➝ Marks percentage in mathematics = 94 × 100/100
➝ Marks percentage in mathematics = 94%
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2) Hindi
➝ Marks percentage in Hindi = Marks gained × 100 ÷ Maximum marks
➝ Marks percentage in Hindi = 29×100 /36
➝ Marks percentage in Hindi = 2900/36
➝ Marks percentage in Hindi = 80.55%
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3) Science
➝ Marks percentage in science = Marks gained × 100 ÷ Maximum marks
➝ Marks percentage in science = 45×100/55
➝ Marks percentage in science = 4500/55
➝ Marks percentage in science = 81.81%
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4) Social science
➝ Marks percentage in social science = Marks gained × 100 ÷ Maximum marks
➝ Marks percentage in social science = 19×100 /20
➝ Marks percentage in social science = 1900/20
➝ Marks percentage in social science = 95%
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From above it is clear that , Krishna's percentage was
- 94% in mathematics
- 80.55% in hindi
- 81.81% in science
- 95% in social science
As his percentage was maximum in social science, his performance was best in social science.
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