A college offers 7 courses in the morning and 5 in the evening. Find the number of ways a student can select exactly one course, either in the morning or in the evening.
A college offers 6 courses in the morning and 4 in the evening. Find the number of ways a student can select exactly one course, either in the morning or in the evening.
A college offer 7 courses in the morning and 5 in the evening. Find the possible number of choices with the student. If he wants to study one course in the morning and one in the evening.
A college offers 6 courses in the morning and 4 in the evening. Find the possible number of choices with the student if he wants to study one course in the morning and one in the evening.
Find the number of ways in which one can post 5 letters in 7 letter boxes.
Naresh walked 2km 35in the morning and 1km7m in the evening.How much distance did he walk in all?
Katrina rode her bicycle 6 1/2 . km in the morning and 8 3/4 km in the evening. Find the distance travelled by her altogether on that day.
In a group of students, there are 24 opting for photography and 26 opting for acting cource. Find the number of students, which are in photography course or in acting coure in the following cases: (i) Two courses are conducted at the same time. (ii) Two courses are conducted at the different time and 8 people are interested in both the courses.
FIITJEE-PERMUTATIONS & COMBINATIONS-NUMERICAL BASED