9) In test (+5)marks are given for every correct answer and -2 you are given for every incorrect answer. Radhika answer all the questions and score 30 marks throw she got 10 correct answer. Jay also answered all the questions and scored -12 marks through he got 4 correct answer how many incorrect answers they have attempt
Answers
Answered by
0
Step-by-step explanation:
no. of incorrect Answers for radhika= 10
no. of incorrect Answers for Jay= 16
10 ×5+x×-2=30
4×5+x×-2= -12
( where x is the no. of incorrect Answers)
Attachments:
Answered by
1
Answer:
In test (+5)marks are given for every correct answer and -2 you are given for every incorrect answer. Radhika answer all the questions and score 30 marks throw she got 10 correct answer. Jay also answered all the questions and scored -12 marks through he got 4 correct answer how many incorrect answers they have attempt
Similar questions