Question 121

Nidhi scores 62 marks in Mathematics, 70 in English, 74 in Science. What should be her score in Social Sciences so that she gets an overall 68%?

Solution

Given,

Maths=62,English=70,Science=74

Overall percentage=$$68\%$$

Let maximum marks be=100

and marks of Social Science=x

Percentage=$$\frac{Sum\ of\ marks\ obtained}{Total\ Marks}\times\ 100$$

$$68=\frac{62+70+74+x}{400}\times\ 100$$

x=66

Thus,

Marks of Social Science=66

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