Question

If 2 marks are awarded to each correct answer & 1 mark is deducted for each incorrect answer then how many incorrect answers were given by a candidate who scored 24 marks in a test of 15 questions."

Answer 1

Answer:

2

Step-by-step explanation:

total questions are 15

let us take X questions. are correct

the 2x-(15-x)=24

here X=13

the incorrect are 15-13 ie. 2

total incorrect are 2