In a class test, Madhuri got 36 marks. She had written 12 questions correct. Each correct answer carries 5 marks and wrong answer carries -3 marks. i) How many wrong answers she would have written? ii) What marks will she get if she writes 10 correct answers and 10 wrong answers?
Answers
Answer:
) madhuri scored 12×3=36 marks. as 3 marks are for correct answer
final score of madhuri is 20.
she got 16 marks negative. as −2 marks are for incorrect answer
therefore she made
2
16
=8 incorrect answer.
2) Madhuri scored 7×3=21 marks. as 3 marks are for correct answer
final score of madhuri is −5.
she got 26 marks negative. as −2 marks are for incorrect answer
therefore she made
2
26
=13 incorrect answer.
madhuri scored 12×3=36 marks. as 3 marks are for correct answer
final score of madhuri is 20.
she got 16 marks negative. as −2 marks are for incorrect answer
therefore she made
2
16
=8 incorrect answer.
2) Madhuri scored 7×3=21 marks. as 3 marks are for correct answer
final score of madhuri is −5.
she got 26 marks negative. as −2 marks are for incorrect answer
therefore she made
2
26
=13 incorrect answer.Answer:
mark me as a brainliest
Step-by-step explanation: