the easiest problem of all times
Level
pending
I have 3 red balls. In how many ways I can chose atmost 3 red balls.
The answer is 4.
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1 solution
You can pick 0,1,2,3 thus the answer is 4.
I got trolled by this at first. I accidentally started going 3C0 + 3C1 ..3C3 = 2^3 = 8 :P