Question

.) In an online practice test, Krishna scored 40 points. For each Correct answers he will get 5 points
and gets -2 points for each incorrect answer. If he answered 5 questions incorrectly, then how many
questions he answered correctly? How many questions was there in question booklet?​

Answer 1

Answer:

if he scored 40 marks means these are correct ans so divide 40 /5

We get 8

means 8 are correct

we know that 5questions are so

8+5=13 there are 13 questions

Answer 2

Answer:

According to the question, as krishna got 5 incorrect answers, so 10 marks are deducted in total after which he gets 40.

This means that the total marks in the test are

40 + 10 (the marks he lost as he did it wrong) + 25 (the marks he would have got if all were right) = 75

and dividing it by 5 (5 marks for each question)

75/5 = 15.

Therefore, there were 15 questions in total.

Since Krishna did 5 wrong...

Hence, he answered 10 questions correctly.

Hope this helps you.

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