Question

in a test 1 mark Is awarded for each correct answer, and one is deducted for a wrong answer, if a boy gets 8 marks out of 20 possible marks, what was the number of question answered correctly by him?​

Answer 1

Answer:

Mark me as a Brainliest pls

Step-by-step explanation:

Correct Answer:

14

Description for Correct answer:

let number of correct answer is a and no. of incorrect answer is (20 - a)

According to question :-)

$a−(20−a)=8 \\ </p><p></p><p> = > a−20+a=8 \\ </p><p></p><p> = > 2a=28 \\ </p><p></p><p> = > a=14$