in a class test (+5) marks are given for every correct answer and (-3) marks for every incorrect answers (a) sonu scored 28 marks though she got 8 correct answers. how many have she attempted incorrect
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0
Answer:
4
Step-by-step explanation:
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Answered by
0
Answer:
4
Step-by-step explanation:
no of marks shown in question=28
no of correct answere's sonu scored=8
so thus,8x5=40
so we can subtract 28 from 40
40-28=12
no of incorrect answere's =
12/3=4 so number of incorrect answere's are="4"
thus sonu scored 8 correct answere's and 4 incorrect answere's
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