How many possible word combinations are there?

How many possible word combinations are there?

Just to estimate this, there are approximately 200,000 words in the English language, and 12 million possible five-letter combinations, so all the words about 1% the number of possible five-letter combinations.

How do you calculate the number of possible combinations?

Combinations Formula. Looking at the equation to calculate combinations, you can see that factorials are used throughout the formula. Remember, the formula to calculate combinations is nCr = n! / r! * (n – r)!, where n represents the number of items, and r represents the number of items being chosen at a time.

How many combinations of 4 items are there?

You multiply these choices together to get your result: 4 x 3 x 2 (x 1) = 24. Combinations and permutations are often confused by students – they are related, but they mean different things and can lead to totally different interpretations of situations and questions.