Sona and Mona took an exam of 50 questions, in which +1 mark was given for every correct answer, $\frac{- 1}{3}$ for an incorrect one and 0 for an unattempted question. Mona attempted all questions and answered a few incorrectly, but Sona answered all attempted questions correctly. If their scores are the same, maximum how many questions can Sona answer?

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Solution

The correct option is D 46

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Question 132

In a test, +3 marks are given for every correct answer and - 1 mark is given for every incorrect answer. Sona attempted all the questions and scored +20 marks, though she got 10 correct answers.
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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 a question. Rakesh scores 18 marks by attempting 16 questions. How many questions has he attempted correctly and how many has he attempted incorrectly?

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.
(i) 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?
(iii) Rakesh scores $18$ marks by attempting $16$ questions. How many questions has he attempted correctly and how many has he attempted incorrectly?

Q. In an examination, a student scores

4

marks for every correct answer and loses

1

mark for every wrong answer. If he attempts all

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Q. In an examination, there are 30 questions, 1 mark is given for each correct answer and 0.25 is deducted for every incorrect answer. Ankur attempted all the questions and scored 13.75 How many incorrect answers did he have?

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