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(#M40016771) MBA question number systems, progressions Keep an EYE

A candidate takes a test and answers all the questions. He gets 1 mark for each correct answer and one-fourth mark is deducted for each wrong answer. If he has answered at least one question wrongly and has secured a total of 152, then the number of questions in the paper could be

1) 189
2) 182
3) 243
4) 196

Asked In MBA (11 years ago)

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Devendra Marghade  (11 years ago)

2) 182
If number of correct answer=x & Wrong answer=y
then x-0.25y=152 or 4x-y=608
Among the given options only the option 182 can give number of question as a whole integer
if x+y=182 y=182-x ,if substituted in above equation 4x-(182-x)=608 =>5x=790
x=158=Correct answers So Wrong answers=24

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