Question

A test of 20 questions is marked out of 100 percent.If a teacher awards 5 marks for every correct answer and deducts 3 marks for every wrong answer.How many correct answers has a pupil who scores 68 percent?

Answer 1

Answer:

He has got 13.6 of his answers right

Step-by-step explanation:

He gets 5 for every right answer

and 3 marks gets deducted for every wrong answer

so net mei, he gets 2 marks for every correct answer

now, for 20 questions percentage given is 100%

so for 68% ...... 13.6 are to be answered ✌

Answer 2

Answer:

16 correct questions

Step-by-step explanation:

let the correct questions be y

. the wrong questions be 20-y.

5y-3(20-y)=68

5y-60+3y=68.

8y=128. Divide both sides by 8.

y=16 questions