Combinatorics - math word problems - page 20 of 55
Number of problems found: 1085
- 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? - 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? - 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? - A three-digit numbers
Determine the total number of positive three-digit numbers that contain a digit 7. - Two dice
What is the probability that when the roll of two identical dice is the sum of points 7? - Digits
How many odd four-digit numbers can we create from digits 0, 3, 5, 6, and 7? (a) the figures may be repeated (b) the digits may not be repeated - Covid-19 spread
A Street has 13 houses in a row. Some residents in the first house tested positive for Covid-19. The virus spreads in 2 ways: It can spread to the next house or jump directly to the third house. Residents of house two can get infected in only one way, hou - Ordered pairs
Given: Set T = {(1,2), (2,3), (3,4), (4,5), (5,5), (6,7), (6,6), (7,8), (8,9), (9,9), (9, 10), (11,12), (12,13), (13,14), (15,16), (16,16), (17,18), (18,19), (20,21)} Find the probability of having an ordered pair wherein the second element is greater tha - Number divisibility probability
What is the probability that a randomly written two-digit number from number 20 to number 99 will be divisible by 11, the power of number 3, or a prime number? - Drawing from a hat
When drawing numbers from a hat from 1 to 35, we select randomly given numbers. What is the probability that the drawn numbers will be divisible by 8 and 2? - No. of divisors
How many different divisors have number 13 4 * 2 4? - Five-digit odd numbers
How many five-digit odd numbers exist? - Independent term
Find the term independent of x in the expansion of (4x³+1/2x)8
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