Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyIn how many ways can $4$ red,$3$ yellow,and $2$ green discs be arranged in a row if the discs of the same colour are indistinguishable?
- A$1260$
- B$1260$
- C$1260$
- D$1260$
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