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प्रश्न
A student appears in an objective test which contain 5 multiple choice questions. Each question has four choices out of which one correct answer.
What is the maximum number of different answers can the students give?
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उत्तर
Selecting a correct answer from the 4 answers can be done in 4 ways.
Total number of questions = 5
So they can be answered in 45 ways
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