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There are 100 multiple choice questions in a test. Suppose you get three marks for every correct answer and for every question you leaver un attempted or answer wrongly, two mark is deducted from your total score of correct answers. If you get 70 marks in the test, then how may questions did you answer correctly?
✅CORRECT and QUALITY ANSWER WILL BE MARKED BRAINLIEST✅
❌WRONG ANSWER WILL BE REPORTED!❌
There are 100 multiple choice questions in a test. Suppose you get three marks for every correct answer and for every question you leaver un attempted or answer wrongly, two mark is deducted from your total score of correct answers. If you get 70 marks in the test, then how may questions did you answer correctly?
✅CORRECT and QUALITY ANSWER WILL BE MARKED BRAINLIEST✅
❌WRONG ANSWER WILL BE REPORTED!❌
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Answer:
60
Step-by-step explanation:
suppose the number of correctly answered question be x then number number of wrongly answer question=100–x it is given that for every correct answer 3 marks are awarded. number of mark scored for answer= 2x
Answer:
Correct option is
C
50
Let the number of questions answered correctly by
′
x
′
∴ The number of questions answered correctly=90−x
Total Marks obtained=60
Marks obtained for correct answer=22
Marks deducted for wrong answer=−1(90−2)=x−90
∴2x+2−90=60
⇒3x=150
⇒x=
3
150
⇒x=50
Therefore the number of question answered correctly is 50