A person has three different bags and four different books. The number of ways, in which he can put these books in the bags so that no bag is empty, is :
← JEE Main 2026 · 8 Apr · Shift 2
MathematicsSingle correct+4 / -1Question 9 of 75
JEE Main 2026 · 8 Apr · Shift 2, Mathematics question 9
Answer and worked solution
Official answer: B
Onto maps from 4 books to 3 bags:
(B)