Math, asked by komathimadhavan1, 10 months ago

In an examination a student scores 4 marks for every correct answer and loss 1 mark for every wrong answer. If he attempts in all 10 questions and secures 30 marks, the number of questions he attempts wrong is​

Answers

Answered by noorishahmed
0

Answer:

As per the problem total no. of questions is written as x+y=75 which can be considered as equation 1. For every correct answer marks scored is 4, i.e., total marks scored for correct answers is 4x.

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