Question

In an olympiad exam containing 50 questions, a student gets 2 marks For each correct answer and -1 mark for each wrong answer. If he attends 30 questions correctly and 20 questions wrongly. Find the mark scored by him. *



a) 50

b) 30

c) 20

d) 40
​

Answer 1

Answer:

Point number d) 40 is score by him

Step-by-step explanation:

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Answer 2

Answer:

may be 40

Step-by-step explanation:

for each correct student get 2 marks

he attends 30 questions correctly that means

30×2=60

on the other hand if student will give wrong answer then 1 mark will deducted for each wrong

he attends 20 questions wrong that means

20 ×1=20

Now the marks scored by him is 60 - 20 =40