Brain Teasers
Confusion Over Jewels
Young Princess Rana of Rajasthan has four pieces of jewelry that are family heirlooms: a necklace, a bracelet, a ring, and a brooch. Being a fashion-conscious person, she doesn't like to wear the same thing twice.
How many different combinations of crown jewels can she wear?
How many different combinations of crown jewels can she wear?
Hint
She may wear any number of jewels at a time.Answer
The answer is 15. The Princess can wear four combinations of one piece of jewelry; six combinations of two, four combinations of three and one combination of all the jewels. The total is 15 different combinations.Hide Hint Show Hint Hide Answer Show Answer
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