In a class test containing 10 question 5 marks r awarded for correct amswer and -2 are awardee for incorrect answer Ravi gets 4 correct and 6 imcorrect what is hos score Renu gets 5 correct and 5 incorrect score heena gets 2 correct and 5 incorrect her score
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Step-by-step explanation:
Ravi's score = 4 × 5 + 6 × (-2)
= 20 + ( - 12)
= 20 - 12
= 8 answer.
Reenu's score = 5 × 5 + 5 × (-2)
= 25 + (-10)
= 25 - 10
= 15 answer.
Heena's score = 2 × 5 + 5 × (-2)
= 10 + (-10)
= 10 - 10
= 0 answer.
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