Question

In: Statistics and Probability

Mr. Smith had 4 daughters each daughter had 4 brothers

Mr. Smith had four daughters, each daughter have four brothers how many Kids did Mr. Smith have?

 

Solutions

Expert Solution

Since Mr. Smith had 4 daughters, so the total number of kids until now = 4.

Now each daughter had four brothers, which means Mr. Smith had 4 sons too so that each of his daughters had 4 brothers.

So, the total kids Mr. Smith had = 4 daughters+4 sons = 8 kids.

Note: Don't get confused by each daughter having 4 brothers to answer = 4×4 = 16 sons. If you calculate no of sons taking one daughter at a time, you will end up calculating 16 sons, which is wrong because in that case, each daughter would have 16 brothers (​​​brothers of sister are also brothers), which is clearly wrong because each daughter had only 4 brothers.

So, the total number of sons Mr. Smith had = 4.

Total no of kids = 8.

Dr. OWL answered 3 years ago
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