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Old 08-27-2010   #4
jmw106462

 
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Quote:
Originally Posted by mary1997 View Post
Find the missing numbers and explain the pattern:

1. 1,3,__, 15, 25, 75

2. 1,2,7, __, 49, 98

3. 1,2,4,5,10,20,25,__,100

4. 1,2,3,4,6,8,12,__,24,48




Factors of 75: 1, 3, 5, 15, 25, 75. Factors of 98: 1, 2, 7, 14, 49, 98
Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50 , 100
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

These are the Factors not really tha complicated but not that easy either.
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