8. 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.?
(1) ..Ram scored 20 marks. If he has got 12
correct answers, how many questions
has he attempted incorrectly?
(i) .. Mohan scores - 5 marks in the test though he
has written 7 correct answers. How many
questions has he attempted incorrectly?
with state ment also
Answers
Answered by
2
Answer:
Ram scored 12×3=36 marks. as 3 marks are for correct answer
final score of ram is 20.
she got 16 marks negative. as −2 marks are for incorrect answer
therefore she made
2
16
=8 incorrect answer.
2) Mohan scored 7×3=21 marks. as 3 marks are for correct answer
final score of ram is −5.
she got 26 marks negative. as −2 marks are for incorrect answer
therefore she made
2
26
=13 correct answer.
Step-by-step explanation:
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Answered by
0
Answer:
correct answers 12×3=36
he got total score. 20
36-20=16
incorrect answers. 16÷2=8
total questions. 12+8=20
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