8. In test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Sumera
answered all the questions and scored (-12) marks though she got 4 correct answers. How many incorrect answers had
she attempted ?
a.15
b. 16
c.17
d. 18
Answers
Answered by
3
Answer:
b. 16 is the right answer.
4×(+5) =20
20-(-12) =16
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