In how many ways can a student choose a program of 5 courses, if 9 courses are available and 2 specific courses are compulsory for every student?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
34
b
36
c
35
d
37
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Total number of available courses = 9 Out of these 5 courses have to be chosen. But it is given that 2 courses are compulsory for every studenti. e , you have to choose only 3 courses instead of 5, out of 7 instead of 9.is 7C3=35