Question

In Periodic test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Your friend Ram answered all the questions and scored 30 marks and gets 10 correct answers. How many incorrect answers did Ram attempt? ( Show working)

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Answer 1

Answer:

10

Step-by-step explanation:

let incorrect answers be x

10(5) + -2(x) = 30

50 + -2x = 30

50-30 = 2x

20 = 2x

20/2 = x

10 = x

so Ram gave 10 wrong answers

mark me brainliest