Question

In a competition, 2 marks are allotted to every right answer and -1 for every wrong
answer.
i) Ali got 6 correct and 4 wrong answers. What is his score?
ii) Tina scored 15. 10 of her answers were correct. How many answers were incorrect?

Answer 1

Answer:

this is your ans pls mark it as brainliest ans

Answer 2

(i) (6×2)+(4×-1)

=12-4

=8

Ali scored 8 Marks.

(ii) 15=(10×2)+(x×-1)

15=20-x

15-20=-x

-5=-x

x=5

Tina's 5 answers were incorrect.

I hope this helps you and please mark me the Brainliast.