Latest MBA Aptitude Question SOLUTION: In an examination there are 'x' questions. Then number of students who answered 'y' or more questions wrongly where 1<=y<=x is given by 2^(x-y). The total number of wrong ans

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(#M40015022) MBA question algebra, quadratic equations, inequalities, functions Keep an EYE

In an examination there are 'x' questions. Then number of students who answered 'y' or more questions wrongly where 1<=y<=x is given by 2^(x-y). The total number of wrong answers is 8191. Find 'x'

1) 18
2) 12
3) 11
4) 13

Asked In MBA (11 years ago)

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