In a quiz, +2 marks are given for a correct answer, -1 marks for an incorrect answer and 0 marks for not attempting a question. Radhika scored 30 marks. If she got 18 correct answers, how many questions did she attempt incorrectly?
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Answers
Answered by
2
Answer:
She got 18 corrct that means
18x2=36 marks
her total marks are 30
30-36=-6
-6÷-1= 6 incorrect answers
Step-by-step explanation:
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Answered by
1
Answer:
The answer is 18(correct) and 6(incorrect)
Step-by-step explanation:
Given :-
Correct answer marks : +2
Incorrect answer marks : -1
Not attempting : 0
Total marks scored by Radhika : 30
Total correct answers given by her : 18
Incorrect answers : ?
Correct answer marks: 18x2 = 36
Total marks she scored = 30
Correct answer marks - Total marks she scored = Incorrect answer marks
==> 36-30= 6
Therefore the answer is 18 and 6
Hope it helped u friend .
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