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Grade 12Algebra

A college offers 7 courses in the morning and 5 in the evening. Find the possible number of choices with the student who wants to study one course in the morning and one in the evening.how can this question b solved by sum rule if mobified...?

Profile image of VIKAT SANKHE
14 Years agoGrade 12
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1 Answer

Profile image of ARITRA  SINHA
14 Years ago

DEAR VIKAT,

 

                 FROM 7 COURSES IN THE MORNING HE CAN CHOOSE 1 ANDFOR EACH OF THE 7 CHOICES HE CAN CHOOSE ANY OF THE 5 COURSES IN THE EVENING.  SO THE TOTAL NUMBER OF CHOICES IS 7*5=35.