Nandita scored 80 per cent marks in five subjects together viz, Hindi, Science, Maths, English and Sanskrit together wherein the maximum marks of each subject were 105. How many marks did Nandita score in Science if she scored 89 marks in Hindi, 92 marks in Sanskrit, 98 marks in Maths and 81 marks in English?
The maximum marks of each subjec is 105
80% of 105 = 84
Since there are 5 subjects
Average marks =$$\frac{Sum\ of\ all\ the\ marks}{5} = 84$$
Sum of all the marks = 84*5 = 420
89+92+98+81+Science = 420
360+Science = 420
Science = 420-360 = 60
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