SOLUTION: What is the next number in the line 15, 6 , 18 , 10, 30, 23, 69, ... ?
The possible answer are : 58, 60, 63, 65, 79
This is a test on the web but i don't find the right one, i'm
Algebra.Com
Question 892345: What is the next number in the line 15, 6 , 18 , 10, 30, 23, 69, ... ?
The possible answer are : 58, 60, 63, 65, 79
This is a test on the web but i don't find the right one, i'm asking myself if this test is right.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
15, 6 , 18 , 10, 30, 23, 69, ... ?
How about, subtract 9, multiply that by 3, subtract 8, multiply that by 3,
subtract 7, multiply that by 3, subtract 6, I get 63 as the next number
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