In an examination , Ritu answered 25 questions correctly in which for every correct answer (+5) is awarded and (-1) is deducted for every wrong answer . Find the total number of questions if she scored 117 marks and attempted all the questions
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Answered by
2
Answer:
x = 23
y = 2
Step-by-step explanation:
you can see in the picture
let x be the no. of correct questions and y be the nø. of incorrect questions
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Answered by
7
Answer:
33
Step-by-step explanation:
right question = 25
total marks for right question = 25×5 = 125
total marks = 117
marks deducted = 8
number of wrong question = 8 ÷ 1 = 8
total question = 25 + 8 = 33
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