# Multiplication principle + variations - math problems

#### Number of problems found: 88

• Variations
Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
• 2nd class variations
From how many elements you can create 2450 variations of the second class?
• Seven
Seven friends agree to send everyone a holiday card. How many postcards were sent?
• Medals
In how many ways can be divided gold, silver and bronze medal among 21 contestant?
• Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
Determine the number of integers from 1 to 106 with ending four digits 2015.
• Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
• Combinatorics
The city has 7 fountains. Works only 6. How many options are there that can squirt ?
• 7 heroes
9 heroes galloping on 9 horses behind. How many ways can sort them behind?
• Disco
On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
• Cars plates
How many different licence plates can country have, given that they use 3 letters followed by 3 digits?
• Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
• One three
We throw two dice. What is the probability that max one three falls?
• Tournament
Six teams entered the basketball tournament. How many matches will be played if each team has to play one match with each other?
• Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
• Vans
In how many ways can 9 shuttle vans line up at the airport?
• Seating
How many ways can 6 people sit on 6 numbered chairs (e. g. , seat reservation on the train)?
• Six on dice
What is the probability that when throwing two dice will fall at least one six?
• Neighborhood
I have 7 cups: 1 2 3 4 5 6 7. How many opportunities of standings cups are there if 1 and 2 are always neighborhood?
• Subsets
How many are all subsets of set ??

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See also our variations calculator. Multiplication principle - math word problems. Variations - math word problems.