Combinatorics - math word problems - page 20 of 57
Number of problems found: 1135
- Four-member team
There are 14 girls and 11 boys in the class. How many ways can a four-member team be chosen so that there are exactly two boys in it? - Bits, bytes
Calculate how many different numbers can be encoded in a 64-bit binary word. - Combinations 7
A multi-course meal has three choices. Three appetizers, four main courses, and three desserts. How many different combinations to choose from? - Peak
Uphill leads 2 paths and one lift. a) How many options back and forth are there? b) How many options to get there and back by the not same path are there? c) How many options back and forth are there that we go at least once a lift? - Cars plates
How many different license plates can a country have since they use 3 letters followed by 2 digits? - Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there? - Area codes
How many 4 digit area codes are possible if the first number can't be zero? - Coin heads probability
What is the probability that heads come up 5 times a row when tossing a coin? Write the result as a fraction. - Dice 7
A standard number cube is tossed 210 times. What is a reasonable prediction for the number of times the number cube will land on a 5? - Paper example compilation
The examiner has prepared 20 examples from arithmetic. He wants to choose seven samples for the paper. The order of the examples does not matter. How many different papers can he compile? - Pins 2
How many different possible four-digit pins can be found on the 10-digit keypad? - Probability
In the lottery, numbers are drawn from five to 50. What are the chances you will win the first prize? - Football league
In the 5. football league is 10 teams. How many ways can be filled first, second, and third place? - Five-Digit Numbers Last Digit
How many 5-digit numbers without repetition have the last digit two smaller than the previous one? - In a race
There are 25 racers in a race. What is the probability that a randomly selected racer will finish no worse than 3rd place? - Five-digit number repetition
How many five-digit numbers can we make from digits 2,3,4,6,7,9 if they can repeat with the digits? - Screws
The box contains eight iron, six brass, and four titanium screws. What is the probability that the randomly selected screw will not be brass? - Five-digit number digits
Determine the number of all-natural five-digit numbers in decimal notation that each have the digits 0, 1, 3, 4, 7. - Roads
There are four roads from city A to city B and five roads from city B to city C. How many different routes can we take from city A to city C via city B? - How many 2
How many three-lettered words can be formed from letters A B C D E G H if repeats are: a) not allowed b) allowed?
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