1.3 4) How many different ID cards can be made if there are six digits on a card and no digit may be used more than once?

Q: 6. A University building has 9 doors. In how many ways can a student enter and leave by different…

A: Total no of doors in university = 9 We have to find the no. If ways a student can enter and leave by…

Q: 1. A school issues each student an ID with a unique code consisting of two lowercase Tolowed by…

A: The id will consist of a unique code with 5 characters to be filled. First, we will have two letters…

Q: 20. An employee identification code for a hospital consists of 2 letters from the set {A, B, C, D}…

A: To  calculate the identification code if both letters and digits are repeated. The identification…

Q: 1)a) How many 3 digits passcodes are there if first digit must be a 1 or 2 ?   b) How many 3…

A: The possible number for passcode is as follows: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 a) if the first digit…

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: 8. A pizzeria has 10 types of pizza. How many different ways are there to choose 15 pizzas with at…

A: When some objects are arranged, we use permutation. It also refers to the rearrangement of the…

Q: If you toss 10 fair coins,in how many ways can you obtain at least one head?

A: Given: 10 fair coins are tossed. We want to calculate the number of ways in which we can obtain at…

Q: 7. How many ways can the letters of the word sardonyx be arranged?

A:

Q: 5 (a). How many 5-digit zip codes are possible if digits can be repeated? 5 (b). If digits cannot be…

A: Permutation: Permutation is an arrangement of items in a specified order. In permutation, both the…

Q: Suppose an automobile license plate must use two capital letters (A-Z) followed by four digits…

A: A license plate must use two capital letters (A-Z) followed by four digits(0-9) No. of capital…

Q: 90 people, can there be at least 2 who have the same first digit of a cell number and the same last…

A: The number of people = 90  The phone number consists of 7 digits A phone number should not start…

Q: In how many ways can you arrange 5 distinct maths books, 4 distinct computing books and 3 distinct…

A: Given  5 distinct maths book, 4 distinct computing books and 3 distinct physics book

Q: 6. How many different 3-digit identification tags can be made if the digits can be used more than…

A: Note- Since both are different questions, so according to our policy we can answer only one…

Q: 1. How many ways can four letters in the word "SHARED" be arranged?

A: The objective of this question is to find out the number of ways four letters from the word 'SHARED'…

Q: 2. In how many ways can you arranged the word SLEEPLESSNESS?

A: Given: SLEEPLESSNESS we want to find how many ways can you arranged the word SLEEPLESSNESS

Q: if a single card is drawn from a standard 52-card deck in how many ways could it be a heart or a…

A: The number of cards in deck is 52.

Q: 10. A bank password consists of four letters of the Roman characters (small and capital letters)…

A: SOLUTION:

Q: 4. In how many ways can eight beads be arranged in a bracelet?

A: We have to find number of ways...

Q: 1. How many ways can four letters in the word "SHARED" be arranged?

A: The objective of this question is to find out the number of ways four letters from the word 'SHARED'…

Q: In how many ways can a 4-letter code word be formed from the letters of the word CHECKBOOK?

A: Please comment down for any doubt. I hope my answer helps you.

Q: 18. A security company requires its employees to have a 7-character computer password that must…

A: We have 7 places which among 5 must be filled by letters and the remaining 2 must be filled by…

Q: If radio station call letters must begin with either the letter K or W and must include either two…

A: Given information Letter can start with letter K or W and include either two or three additional…

Q: 9. In how many ways can three boys can be seated on five chairs?

A: In question, We'll find the ways in which three boys seated on five chairs. The solution is below,

Q: Many college honor societies are named using three Greek letters. If there are 24 letters in the…

A: We have to arrange 3 Greek letters among the 24 letters. Here the order of the letters matter…

Q: Hey! I need help with a question which states the following: How many 7-digit ID numbers are…

A: This is a combinatorics problem. The answer is in step 2.

Q: 16. Apoker hand consists of 5 cards from a standard deck of 52 cards. Find the number of two of a…

A: There are total 13 denominations. {J,K,Q,A,2,3,4,5,6,7,8,9,10}.Each denomination has 4 cards.We can…

Q: How many 8-digit telephone numbers are possible if the first digit cannot be zero and no repetitions…

A:

Q: A secret code for a bank vault consists of 2 letters, then 4 digits and then 4 more letters. How…

A: A code contains 2 letters, 4 digits and then 4 more letters.