4. Credit cards and debit cards often require a PIN number consisting of 4 digits. Wanda wants to create a PIN number that starts with 0, 5, 1 or 3. If repetitions are allowed, how many ways can this be done?

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Q: Ms. Ling has 16 boys and 14 girls in her third-grade class. How many ways can she select 2 boys or 2…

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Q: There are nine different marbles in a bag. A student reaches in and randomly draws one marble at a…

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Q: How many ways can we pair up 24 dogs with 24 cats for example one dog to one cat?

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Q: How many ways are there to distribute 9 cookies to 4 children.

A: Solution:

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Q: In recent years, a state has issued license plates using a combination of two letters of the…

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Q: At a ballroom dance lesson, the instructor chooses 3 men and 3 women to demonstrate a new pattern.…

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Q: A car company is going to issue new ID codes to its employees. Each code will have one digit…

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Q: how many five letter codes can be made if each chosen letter (from the the original 7 letters) can…

A:

Q: How many ways can 11 DVDs be arranged on a shelf?

A: Given Number of ways can 11 DVDs be arranged on a shelf.

Q: How many different arrangements can be made using all the letters in CALGARY, if the first letter…

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A:

Q: Your friend wants to perform a magic trick and asks you to draw 2 cars from a standard deck of 52.…

A: There are 52 cards in a standard deckIf you choose randomly two cards in a deck, place the first…

Q: How many different standard plates are possible in this system?

A: