Question

in an examination for every correct answer the student gets 3 marks and for every incorrect answer the student losses 1 marks. If Prabhakar attempts 50 questions and scores 106 marks, find the number of questions she attempted correctly.

Answer 1

Number of marks granted for every correct answer=3
Number of marks deducted for every incorrect answer=1
Number of questions attempted by Prabhakar=50
Marks she obtained=106
Number of questions she attempted correctly=106-1
=105

Answer 2

You can solve it in both way