Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Annchelijk

A company produces many types of watches. The type of each watch is indicated with a string of five characters. The two first characters are based on uppercase alphabets, except I, O, and Q. The next three characters are three digit of numbers ranging from 000 to 300. Determine the minimum number of watches to ensure that at least three of them have the same type.

  • one year ago
  • one year ago

  • This Question is Open
  1. matricked
    Best Response
    You've already chosen the best response.
    Medals 0

    if repitition is allowed then for the first two place we have 23*23 choices and for the next three character we have 4*10*10 choices hence total no is 211600 but here the watches are all of different type

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.