Variations - math word problems - page 13 of 16
Number of problems found: 312
- Salami
We have six kinds of salami, six of which have ten pieces, and one of which has four pieces. How many ways can we distinctly choose five pieces of salami?
- Different 4533
Five different positive numbers are written on the board. Determine the largest possible number of pairs formed from them in which the sum of the two elements equals one of the five numbers written on the board.
- There
There were 12 members on the commission. Five members were in favor, and seven members were against the proposal. In how many ways could it help the commission vote?
- Variation equation
Solve combinatorics equation: V(2, x+8)=72 V(2,x+8) is variations, second class, from x+8 items.
- Equation: 4274
Solve the equation: V (2, x + 2) = 90
- Girlfriends 4107
Four girlfriends want to take a photo together. How many different ways can they stand side by side?
- Divisions 4044
School players scored seven goals in the match. List all possible goal divisions into three-thirds and add up how many.
- Four-digit 3912
Create all four-digit numbers from digits 1,2,3,4,5, which can repeat. How many are there?
- Four swords
Obelix has three helmets, four swords, and five shields. How many words must you make at the blacksmith forge Metallurgix to be able to walk another 90 days in unique armor?
- Tokens
The non-transparent bags contain red, white, yellow, and blue tokens. We pulled one token three times and returned it again, writing down all possibilities.
- White and black balls
There are seven white and three black balls in an opaque pocket. The balls are the same size. a) Randomly pull out one ball. What is the probability that it will be white? We pull out one ball, see its color, and return it to the pocket. Then we pull out
- Options 3572
We roll three dice. Write down all the feast options.
- Themselves 3463
How many different ways can members of a 7-member philatelic circle elect a secretary and a steward from among themselves?
- Attempts 3460
How many attempts do I need to guess the 3-digit PIN to be sure I can guess it?
- Two-digit 3456
Write all the two-digit numbers that can be composed of the digit 7,8,9 without repeating the digits. Which ones are divisible b) two, c) three d) six?
- Together 3331
The group has 12 red girls and 25 blue girls in costumes. How many of them can we put together a group of 6 girls so that the four girls have red outfits?
- Metals
Play eight teams in the Hockey World Cup and determine how many ways they can win gold, silver, and bronze medals.
- Prize
How many ways can 9 participants be rewarded with the first, second, and third prizes in a sports competition?
- Olympics metals
How many ways can one win six athletes' medal positions in the Olympics? Metal color matters.
- Repetitions 2956
How many elements do we have if the variation of the third class without repetitions is ten times more than the variation of the second class?
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