in a test plus 3 marks are given for every correct answer and -1 mark are given for every incorrect Azam Sona attend all the question and scored plus 20 marks through she got tenlt correct answer how many questions where in test
Answers
Answered by
1
Answer:
30
Step-by-step explanation:
she got 10 corrent answers so she got 30 marks for correct answers
but she got only 20 marks it means she loss 10 marks for incorrect answers
Answered by
2
Answer:
20
Step-by-step explanation:
Azam Sona got 10 correct answers, it means she scored +30
As mentioned, she scored +20, which represents 10 marks were deducted from +30 , i.e., 30-10=20
So, she got 10 answers incorrect.
Thus, Total number of questions : 10+10=20
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