The gems

The jeweler selects 4 gems for the ring. It has rubies, emeralds and sapphires. How many options does he have?

Correct answer:

x =  15

Step-by-step explanation:

C4(6)=(46)=4!(64)!6!=2165=15 n=3 k=4  x=(kn+k1)=(43+41)=15

Did you find an error or inaccuracy? Feel free to write us. Thank you!


Tips to related online calculators
See also our combinations with repetition calculator.
Would you like to compute count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: