Question

there are 45 total question and he received 4 marks for his every right question while 1/3 mark deducted for his each wrong answer then how many marks he obtained if he do 4 question wrong​

Answer 1

Answer:

total no of questions - 45

let the no of right answers b - x

Mark's received for every right answer - 4

wrong answer - (45-x)

Mark's deducted for wrong answer - 1/3

so marks

for correct answer - 4x

wrong answer - (45-x)x1/3

total no of wrong questions - 3