Question

in examination 6 marks are given for every correct answer and (-3) marks are given for every incorrect answer Abhinav score 45 marks if we got 12 correct answers how many questions did he answer incorrectly

Answer 1

hey there
numbers for 12 correct answer = 72
number deducted due to x no. incorrect answer = 3X
total marks obtained = 45
then equation comes = 72 - 3X = 45
then 72 - 45 = 3X
27 = 3X
X = 27/3
= 9

Answer 2

Answer:

Answer is 9

Explanation:

Marks given for every correct answer=+6

Marks given for every incorrect answer=(-3)

Marks scored by Abhinav=45

Marks scored for correct answers=12×6=72

Let the marks scored for incorrect answers be 3x

=> 72-3x=45

=> 3x=72-45

=27/3

=9