How many four–digit numbers can be formed with at least one of the digits is repeated? * 4 464 4 564 4 654 4960

Q: In how many ways can a family of seven be seated at a round table if two brothers must sit together?…

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Q: 1. How many five-digit numbers can be formed from the digits 3, 4,5,6 and 7? a. no repetition of…

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Q: 8. How many numbers between 1 and 200 are divisible by 2 or 5?

A: The given problem is to find the how many numbers between 1 and 200 are divisible by 2 or 5.

Q: first digit of the phone number can not be a U?

A: Given 10 digit phone numbers are there in Montana with an area code of 406 the first digit of the…

Q: . How many are greater than 330 in a group of 3 digit numbers forme d 5 where digit (s) may be…

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Q: 8. Given 1, 2, 3, 4, 5, 6, 7, 0, 9, how many 4-digit numbers can be formed if it must be divisible…

A: We have to solve question number 8

Q: In an apartment complex with 11 mailboxes in how many ways can a mail carrier distribute 11 letters…

A: Consider the given information.

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: n consists of 10 albums, each containing 42 pages. How many stamps are in the total collection if 40…

A: Introduction: Different symbols are used in mathematics. One of the most common math symbols is the…

Q: In how many ways can a student choose to do 7 questions out of 8 on a test?

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Q: In how many ways can 4 pizza toppings be chosen from 12 available toppings?

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Q: You are competing against all other students in your class. Each of you will choose an umber…

A: Given:    Among these student choose a number(integer) between 1 and 100. And also,    The choices…

Q: Using the concept of counting techniques, what will be the solution and answer #6

A: Permutations and combinations: When one has to choose among a set of objects or people, then…

Q: How many different ways can a group of 5 students line up to get ice cream?

A: This is type of permutation question, because here the order of placing the people in the place…

Q: 5. How many triangles can you make using 6 non collinear points on a plane?

A: Solution #5 Number of Triangles= 20

Q: license plates contain 3 letters followed by 4 digits. a. how many license plates are possible? b.…

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Q: 1. How many license plates can made where the first character is a number from 0 to 9, followed by…

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Q: sa3. You are asked to choose best 6 out of 10 songs. In how many ways can you choose the top 6…

A: Note: As per our guidelines we are supposed to answer only one question if there are multiple…

Q: 21 cars are in a race and how many different ways can cars finish in order in the top three…

A: Given,no.of cars=21

Q: If the goal keeper and defender should be selected from Class X that has 80 students for school…

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Q: How many ways 5 students be seated in a row of 5 chairs for a pictorial?

A: Given students=5 chairs= 5

Q: 2. How many unique 3 digit codes can be created from the 5 digits {1, 2, 3, 4, 5} if repetitions are…

A: A permutation of a set is defined as an arrangement of its members into a sequence or if the set is…

Q: How many ways can 6 out of 9 dresses be picked, followed by 2 out of 5 pairs of shoes? 420

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Q: s={1,2,3,4,....,15} ​A: The selected number is even. ​B: The selected number is a multiple of 4.…

A: The possible outcomes for event A are {2,4,6,8,10,12,14} i.e 7 outcomes The possible outcomes for…

Q: 6. How many ways can my daughter put 50 pairs of shoes on 4 dolls ?

A: It is given that, We have 50 pairs of shoes and there are 4 dolls. We know that if n object can be…

Q: A large research project is looking for more researchers. There are 8 spots open on the research…

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Q: Assume a club N with five members: N = {Andy, Bill, Cathy, David, Evelyn} Count the different ways…

A: An arrangement of items in a particular order is called a permutation. Any rearrangement of a set's…

Q: how many ways can 10 students be assigned to 2 triple, 1 double hotel, 2 single hotel rooms during a…

A: Total No of student=n=10 No of triple hotel rooms=2 No of double hotel rooms=1 No of single hotel…

Q: Using the concept of counting techniques, what will be the solution and answer #4

A: Permutations and combinations: When one has to choose among a set of objects or people, then…

Q: In how many ways can a hand of 9 diamonds be chosen from an ordinary deck? How can the problem be…

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