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An examination paper which is divided into 2 groups consisting of 3 and 4 questions respectively, carries the note:It is not necessary to answer all questions. One question must be answered from each group.In how many ways can an examinee select the questions?

Ishan Roy , 14 Years ago
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anser 1 Answers
abhay tiwari

number of way can group1 question be selected =3C1

number of way cab group2 question be selected =4C1

numeber of way can both be selected simultaneously =3C1*4C1=4*3=12 ANSWER

Last Activity: 14 Years ago
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