SOLUTION: How do I solve this problem? Can You discover the lodgical pattern for each number sequence below and therby discover the missing number(shown by dash)? 1, 3, 6, 10, __

Algebra ->  Signed-numbers -> SOLUTION: How do I solve this problem? Can You discover the lodgical pattern for each number sequence below and therby discover the missing number(shown by dash)? 1, 3, 6, 10, __       Log On


   

Question 151726: How do I solve this problem? Can You discover the lodgical pattern for each number sequence below and therby discover the missing number(shown by dash)?
1, 3, 6, 10, __
If you can answer thes I will be very happy
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
Notice the following pattern:
1 = 1
1 + 2 = 3
1 + 2 + 3 = 6
1 + 2 + 3 + 4 = 10

So, the next number is 1 + 2 + 3 + 4 + 5 = 15

These numbers are known as the triangular numbers.