Question

A student secures 90 marks in his first test and 75 marks in the second test.Find the percent or increase/decrease.

Answer 1

15 / 90 ×100=16.67 % decrease

Answer 2

HEY Buddy....!! here is ur answer

$\frac{90 - 75}{90} \times 100 \\ \\ = > \frac{15}{9} \times 10 \\ \\ = > \frac{50}{3} \\ \\ = > 16 \frac{2}{3} \: decreased$

I hope it will be helpful for you...!!

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