On the menu are 12 kinds of meal. How many ways can we choose four different meals into the daily menu?

Result

n =  495

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Would you like to compute count of combinations?

## Next similar examples:

1. Confectionery
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
2. The confectionery
The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?
3. Fish tank
A fish tank at a pet store has 8 zebra fish. In how many different ways can George choose 2 zebra fish to buy?
4. A student
A student is to answer 8 out of 10 questions on the exam. a) find the number n of ways the student can choose 8 out of 10 questions b) find n if the student must answer the first three questions c) How many if he must answer at least 4 of the first 5 que
5. Disco
On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
6. First class
The shipment contains 40 items. 36 are first grade, 4 are defective. How many ways can select 5 items, so that it is no more than one defective?
7. Mumbai
A job placement agency in Mumbai had to send ten students to five companies two to each. Two of the companies are in Mumbai and others are outside. Two of the students prefer to work in Mumbai while three prefer to work outside. In how many ways assignment
8. Weekly service
In the class are 20 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies?
9. Trinity
How many different triads can be selected from the group 43 students?
10. Division
Division has 18 members: 10 girls and 6 boys, 2 leaders. How many different patrols can be created, if one patrol is 2 boys, 3 girls and 1 leader?
11. Hockey
Hockey match ended 8:2. How many different matches could be?
12. 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
13. PIN - codes
How many five-digit PIN - code can we create using the even numbers?
14. A book
A book contains 524 pages. If it is known that a person will select any one page between the pages numbered 125 and 384, find the probability of choosing the page numbered 252 or 253.
15. Calculation of CN
Calculate: ?
16. Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
17. Count of triangles
Given a square ABCD and on each side 8 internal points. Determine the number of triangles with vertices at these points.