Question

an examination paper, containing 30 questions, 5 marks are awarded for every correct answer and (– 3) marks for every incorrect answer. Find the score of each of the following students: (i) Sunil gets 24 correct out of 30 questions.

Answer 1

Answer:

total of 30*5= 150 marks

sunil:

wrong answer=6*-3=-18

correct answer= 24*5=120

total marks of sunil=120-18=102//

Step-by-step explanation:

Answer 2

Answer:

let the correct answer be x..and incorrect be y

then A.T.Q. , 5x -3 =30 (1)

24x -6x=30 (2)

solving 1 nd 2,we get the answer