In a competition, 5 marks are given for every correct answer and (-2) marks are
given for every incorrect answer.
i) Anjali scored 30 marks, if she got 10 correct answer, how many questions she
answered incorrectly?
ii) Rohan got 4 correct answer if he scored (-12) marks in the competition. How many
questions he answered incorrectly
step by step explanation
Answers
Answered by
2
Answer:
ask from your teacher....
Answered by
2
Answer:
1.10
2.16
Step-by-step explanation:
correct=5
incorrect=-2
10*5+(x)(-2)=30
50-2x=30
-2x=-20
x=10
Incorrectly answer =10
2.
4*5+(-2)x=-12
20-2x=-12
-2x=-32
x=16
incorrect answers=16
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