Question

In a class test containing 10 questions, 4 marks are given for every correct answer and (-2)
marks are given for every incorrect answer. Gurpreet attempt all questions. What will be her
score if :
(i) 6 of her answers are correct (ii) 3 of her answers are correct (iii) 1 of her answer is correct​

Answer 1

Answer:

(i) 6 correct and 4 incorrect

6 correct =6×4=24 4 incorrect=4×(-2)=-8

score=24-8=16

(ii) 3 correct and 7 incorrect

3correct =3×4=12. 7 incorrect=7×(-2)=-14

score=12-14=-2

(iii) 1 correct and 9 incorrect

1 correct=1×4=4

9 incorrect=9×(-2)=-18

score=4-18=-14