The correct answer is 9
What is permutation and combination?
- A permutation is an act of arranging the objects or numbers in order.
- Combinations are the way of selecting the objects or numbers from a group of objects or collection, in such a way that the order of the objects does not matter.
How to solve this problem?
The steps are as follow:
- We need to select any one from pizza , hamburger or hotdog = 3C1
- We need to select any one from pear , grapes or an apple = 3C1
Therefore the possibilities are 3C13C1 = 3!/1!(3-1)!3!/1!(3-1)!
= 32!/12! 32!/12! = 33 = 9
Therefore , the number of possibilities is 9
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