In a test 5 marks are given for every correct answers and -2 for every incorrect answer. If Ahmad scored 40 marks. If he got 12 answers correct , how many questions he has attempted incorrectly.
Answers
Answered by
5
12*5=60
60-40=20
20/2=10 Ahmad got 10 questions incorrect
DudeAyaan:
Thanks a lot
Answered by
4
The answer is 10.
12 were correct so, 12 * 5 = 60
scored 40. correct answer - scored marks.
60-40= 20
20/2 = 10.
Similar questions