Math, asked by vk0527514, 3 months ago

In an examination for each correct answer 3 marks are given and for each wrong answer 2 marks are deducted from obtained marks.Mohan attempts 30 problems and obtains 40 marks.Find the number of problems solved correct by him.
I will be give brainliest answer

Answers

Answered by bsahasra2020

1

Answer:

i think this answer is 20

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