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20 April, 01:18

Riya got 10 correct answers and ten incorrect answers. what is her score if each correct answer is awarded with 3 marks and each incorrect answer is awarded with - 1?

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  1. 20 April, 04:52
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    20

    Step-by-step explanation:

    Riyas score = (correct answer * mark) + (incorrect answer * mark lost)

    = (3 * 10) + (-1 * 10)

    = 30 - 10

    =20
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