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Had Ravita scored 10 more marks in her Mathematics test out of 30 marks, 9 times these marks would have been the square of her actual marks. How many marks did she get in the test?

 Had Ravita scored 10 more marks in her Mathematics test out of 30 marks, 9 times these marks would have been the square of her actual marks. How many marks did she get in the test?

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The equation is

9(x+10) = x^2

Where x is her present marks

Kindly solve quadratic equation for x and get present marks

Regards

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