4.
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) Radhika scored
20 marks. If she has got 12 correct answers, how many questions has she attempted
incorrectly? (ii) Mohini scores (-5) marks in this test, though she has got 7 correct answers
How many questions has she attempted incorrectly?
Answers
Answered by
1
Step-by-step explanation:
1)she has attempted 9 questions wrong
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