Question

In a class test, +3 marks are given for every correct answer, and (-2) marks are given to every incorrect answer. if Radhika scored 30 marks by attempting 16 correct answers, how many questions have attempted incorrectly

Answer 1

So, the total marks for correct answer = marks for correct answer × number of correct answers. Thus, Radhika got a total of 21 marks for 7 correct answers. So, she got 26 marks for the incorrect answer. Now, we know that for every incorrect answer =−2 marks.

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