I have 2 questions
1) A question paper contains 6 questions,each havinbg an alternative.The number of ways and examinee can answer one
or more questions is
a)720 b)728 c)729 d)None of these
2)The number of ways in which 12 students can be equally divided into 3 groups is
a)5775 b)7575 c)7755 d)none of these
Thanks in advance
1. the number of options for each question is 3( not answering, first alternative,second alternative) and all questions have same options. so the total no. of options is 3*3*3*3*3*3 = 3^6 = 729 but this also contains the option no answers answered. henbce 728
for the second question /forum/maths-plz-solve-198734.asp#.T9NJ1LEtjsQ follow this link the answer is given in that the answer is 5775
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