8. There are 6 multiple choice questions in an examination. How many sequences of answers are
possible, if the first three questions have 4 choices each and the next three have 5 choices each ?
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Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Number of sequence=4⋅4⋅4⋅5⋅5⋅5=8000
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Answer:
4choice of three questions -12, next three questions of 5choices-15, 12+15-37
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