in a test, plus 4 marks are given for every correct answer and minus 2 marks are given for every wrong answer. Rohit Answered all the questions and scored 68 marks. 25 of Rohit answers were correct .how many of the questions he attempted were incorrect?
a:22 b:5
c:16 d:8
Answers
Answered by
2
Step-by-step explanation:
the number of incorrect answer is 16
Answered by
1
Answer:
Your answer is 16
Step-by-step explanation:
No. of questions Rohit answered is 25.
Each correct answer carries 4marks.
So, Rohit got 25×4=100 marks.
But he got 68 marks..
Each wrong answer carries-2 marks
So, 100-68=32 marks he lost.
So, 32/2 =16.
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