10. In a test, (+5)marks are given for every correct answer and (-3)marks for every wrong answer.sohan answered all the questions and scored 70 marks. He answered 20questions correctly.how many questions were incorrect?a.10b.40c.30
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Answered by
2
Answer:
please make me as brainlist.if you make me as brainlist I will answer
Answered by
0
Answer:
Correct option is
A
10
Marks given for one correct answer = 5
So, marks given for 10 correct answers
= 5 X 10 = 50
Radhika's score = 30
Marks obtained for incorrect answer
= 30- 50 = -20
Marks given for one incorrect answer
= (-2)
Therefore, number of incorrect answers
= (−20)÷(−2)=10
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