Math, asked by bhupesh1919, 10 months ago

In a class test , 5 marks are given for each correct answer and -2 for each incorrect answer. Aaryav answered all the questions and scored 30 marks , though he got 10 correct answers. Find the number of questions Aaryav incorrectly.


PLS ANSWER

Answers

Answered by arunt7767
23

Answer:

10

Step-by-step explanation:

let total no. of questions be 'x'

then given ten questions are correct so (x-10) question are incorrect so finally

we have 50+(x-10)×(-2) =30

and hence x = 20 which is total no.of questions so their are 10 incorrectly answered..!

Answered by annub858
4

Answer:

it a wrong answer as you are not giving the answer with step-by - step explanation

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