Question

D. In an exam each correct answer score 5 marks and each wrong answers reduces 2 marks. A candidate got 24 marks by answering 12
questions correctly. If he attempted all the questions, how many answers were wrong?
A: 12
B: 14
C. 18
D: 20​

Answer 1

Answer:

18

Step-by-step explanation:

let question went wrong be -x

let the marks gone by making questions wrong be -y

if 12 questions are correct then marks gained =12*5=60

60-24=y

36

x*2=36

x=18