Question

In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer.i.Radhika answered all the questions and scored 30 marks and get 10 correct answers.ii.Jay also answered all the questions and scored (-12) marks though he got 4 correct answers.

Answer 1

Answer:

The total number of marks scored by Radhika and Jay are given below

Step-by-step explanation:

Total marks for each correct answer = +5

Total negative marks for wrong answers = -2

Radhika :

$total \: marks \: for \: radhika \: = 30 \\ number \: of \: correct \: answers \: = 10 \\ marks \: for \: correct \: answers \: = 5 \times 10 = 50 \\ number \: of \: negative \: questions \: = correct \: answers\: marks \: - total \: marks \: = 50 - 30 = 20$

Jay :

$total \: marks \: scored \: by \: jay \: \\ = - 12 \: totl \: number \: of \: correct \: questions \: = 4 \\ \: marks \: for \: correct \: answers \: \: = 4 \times 5 = 20 \\ \: marks \: for \: negtive \: = correct - total \: = 20 + 12 = 32$

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