Answer:
Mithun's Score: 24
Friend's Score: 0
Step-by-step explanation:
Mithun's Score:
9 correct answers (each worth 4 marks)
6 incorrect answers (each worth -2 points)
(9 x 4) + (-2 x 6) = 24
Friend's Score:
5 correct answers (each worth 4 points)
10 incorrect answers (each worth -2 points)
(5 x 4) + (-2 x 10) = 0