Pattern Problem #5
Number Theory
Level
2
Find the next number in the sequence:
-60:100:200
-45:155:160
-50:170:????
The answer is 140.
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1 solution
Start by adding the numbers of the original ones:
60+100+200=360
45+155+160=360
Using the previous information we find out that the total of the three numbers is 360, so the next number is like this:
50+170+x=360
220+x=360
x=360-220
x=140