CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

There are 5 students in class 10, 6 students in class 11 and 8 students in class 12. If the number of ways, in which 10 students can be selected from them so as to include at least 2 students from each class and at most 5 students from the total 11 students of class 10 and 11 is 100k, then k is equal to

Open in App
Solution

5 6 8
10th 11th 12th
(2,2,6):10×15×28=4200
(2,3,5):10×20×56=11200
(3,2,5):10×15×56=8400
23800=100k

flag
Suggest Corrections
thumbs-up
31
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Pascal's triangle
QUANTITATIVE APTITUDE
Watch in App
Join BYJU'S Learning Program
CrossIcon