64 is the correct answer
Answer:
(C)-64
Step-by-step explanation:
No. of correct answers be X
No. of incorrect answers = (80-x)
4×-(80-x)=240
4x + x = 320
5x=320
x=64
Hope it Helps.....
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Answers & Comments
64 is the correct answer
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Answer:
(C)-64
Step-by-step explanation:
No. of correct answers be X
No. of incorrect answers = (80-x)
4×-(80-x)=240
4x + x = 320
5x=320
x=64
Hope it Helps.....