# Combinatorics - problems

- Dice

We throw five times the dice. What is the probability that six fits exactly twice? - Find the 2

Find the term independent of x in the expansion of (4x^{3}+1/2x)^{8} - Combinations 6

6 purses 9 flaps 12 straps Every combination must include 1 purse, 1 flap and 1 strap. How many possible combinations? - Subsets

How many 7 element's subsets can be made from the 12 element set? - Raffle

There are 200 draws in the raffle, but only 20 of them win. What is the probability of at least 4 winnings for a group of people who have bought 5 tickets together? - How many

How many double-digit numbers greater than 30 we can create from digits 0, 1, 2, 3, 4, 5? Numbers cannot be repeated in a two-digit number. - No. of divisors

How many different divisors has number ?? - Rectangle

In rectangle with sides 10 and 9 mark the diagonal. What is the probability that a randomly selected point within the rectangle is closer to the diagonal than to any side of the rectangle? - 7 heroes

5 heroes galloping on 5 horses behind. How many ways can sort them behind? - Ace

From complete sets of playing cards (32 cards) we pulled out one card. What is the probability of pulling the ace? - Flags

How many different flags can be made from colors white, yellow, red, blue, green, orange so that each flag consisted of three different colors? - Vans

In how many ways can 8 shuttle vans line up at the airport? - Seating

How many ways can 7 people sit on 3 numbered chairs (eg seat reservation on the train)? - Pediatrician

Pediatrician this month of 21 working days takes 3 days holidays. What is the probability that on Monday will be at work? - Bureau of Labor

Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking sense the - Guests

How many ways can 7 guests sit down on 9 seats standing in a row? - 2nd class variations

From how many elements you can create 6480 variations of the second class? - Word

What is the probability that a random word composed of chars T, M, A, H will be MATH? - Shelf

How many ways are there to arrange 9 books on a shelf? - Chocolates

In the market have 3 kinds of chocolates. How many ways can we buy 13 chocolates?

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