Question

in a test (+ 5).marks are given
for every correct answers and (-2)
mark of every incorrect aneuer
Shyam answerd all the questions
and scored 60 marks though he got
16 correct answers, How many
answers are incorrect ?​

Answer 1

Answer:

10 incorrect answers

Answer 2

Answer: 10 were incorrect

Step-by-step explanation:

let number of incorrect answers given is a

so total marks deducted will be -2a

16 questions were answered correctly. total marks from 16 questions will be 80

actual total marks obtained 60

so

60 = 80 - 2a

2a = 80- 60 = 20

a = 20/2 =10

so 10 questions were incorrect