In a quiz for every right answer carries 5 marks and for every wrong answer carries $- 2$ marks. If a total of 10 questions are asked 7 are correct, then the total score is

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$- 29$

$- 31$

answer is A.

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Detailed Solution

Every right answer $= 5$ marks
Every wrong answer $= - 2$

Total questions $= 10$
7 are correct marks $= 7 \times 5 = 35$
3 are incorrect marks $= 3 \times (- 2) = - 6$ marks
There fore Total score is $= 35 - 6 = 29$

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