Question

In a class test containing 30questions, 10 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer. Hema gets 2 correct answers and 5 incorrect. What is her score?

Answer 1

correct   = 2 x 10 = 20
incorrect = 5 x -2 = -10
                ------------------ +
 score                      10

Answer 2

Marks awarded for each correct answer = 10 marks
Marks awarded for 2 correct answers = 10x2 = 20 marks

Marks awarded for each incorrect answer= -2
Marks awarded for 5 incorrect answers = (-2) x 5 = -10 marks

Total score of Hema= 20-10
= 10 marks