Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Discover comprehensive answers to your questions from knowledgeable professionals on our user-friendly platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.


A bag contains 28 counters all of different colours. Colin chooses one counter and gives it to
Obi, and another counter and gives it to Zeema. In how many ways can Colin do this?

Sagot :

Answer:

756 ways

Step-by-step explanation:

Given

[tex]Counters = 28[/tex]

[tex]Selection = 2[/tex]

Required

Determine the number of ways

The first counter can be selected in 28 ways

The second can be selected in (28 - 1) ways

The number of selection is:

[tex]Selection = 28 * (28 -1)[/tex]

[tex]Selection = 28 * 27[/tex]

[tex]Selection = 756[/tex]

Hence, number of possible selection is 756