How many ways are there to select 7 countries in the united nations to serve on a council if 3 is selected from a block of 54, 1 are selected from a block of 66 and 3 are selected from the remaining 69 countries?

Total number of ways will be

Step-by-step explanation:

We have to select 7 countries

3 countries selected from a block of 54

So number of ways of selecting these three countries

Now 1 country is selected from 66 block

So number of ways to select 1 country =

Now next 3 country is selected from 69 country

So

So total number of ways to select 7 countries = 24804×65×52394

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step-by-step explanation:

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when the line is dashed:

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about the problem:

srry i'm not done ! i'll