There were 25 questions in the examination written by Jafar. Each correct answer gets 2 marks. There is a loss of mark for each wrong answer. Jafar answered all the questions. He got 35 marks. Find out the number of correct answers?
Please do answer the question with steps without surfing the web. I would surely mark one as brainliest.
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Answered by
1
Step-by-step explanation:
Let the number of correct answers = x
Total number of questions = 25
No. of wrong answers = 25 – x
Marks for correct answers = 2x
marks losses for wrong answers = 25
ie. 2x – (25 – x)
= 25 2x – 25 + x = 35
3x = 60 x
= 60 3
603 = 20,
∴ number of correct answers = 20
Answered by
0
Answer:
the question which is posted here, the answer is 18
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