In a class test 3 marks are awarded for every correct answer, 2 marks are diducted for every incorrect answer and no marks are given for not attempting a question .Upasana scored 20 marks . If she has got 8 correct answers,how many questions has she attempted incorrectly ?
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sol=)upasana scored=20marks
upasana right answer= 8
then, 8×3=24
upasana wrong answer= 24-20=4
4÷(2)=2
the answer will be 2
therefore upasana attempted 2 incorrect question.
upasana right answer= 8
then, 8×3=24
upasana wrong answer= 24-20=4
4÷(2)=2
the answer will be 2
therefore upasana attempted 2 incorrect question.
AattJatti:
sis thanks
my pleasure sis
but answer is 2 in answer key
ohh let me check again
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hogya solve sis
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