In a class test(+3)marks are given for every correct answer and (-2)marks are given for every incorrect answer and no marks for not attempting any question. Radha scored 20 marks. If she has got 12 correct answers. How many questions has she attempted incorrectly?
Answers
Answered by
4
Answer:
12 correct answers=12*3=36
incorrect answers=36-20= -16 marks
total incorrect answers =-16/-2=8
Answered by
1
ANSWER:
8 questions answered incorrectly
Step-by-step explanation:
12×3=36
36-20=16
16÷(-2)= 8
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