AQuA-RAT train #3910 · Combinatorics · Permutations & combinations
A box contains 3 white balls, 2 black balls and 6 red…
A box contains 3 white balls, 2 black balls and 6 red balls. In how many ways can 3 balls be drawn from the box, if atleast one black ball is to be included in the draw?
This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #3910
Stuck? A gentle nudge
No hints for this one.
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