Knockout BITSAT 2021
It is an exhaustive preparation module made exclusively for cracking BITSAT..
A bookshelf can accommodate 6 books from left to right. If 10 identical books on each of the languages - French, German, Spanish and English are available, in how many ways can the bookshelf be filled such that books on the same language are not put adjacently?
10 x 95
4 x 35