Question

find the number of combination of word universe by taking 4 letters at a time​

Answer 1

To find the number of combinations of 4 letters taken from the word "universe," you can use the combination formula, which is:

combinations = n! / (r! * (n - r)!)

Where n is the total number of items and r is the number of items being chosen at a time. In this case, n is the number of letters in the word "universe," which is 8, and r is the number of letters being chosen at a time, which is 4. Plugging these values into the formula, we get:

combinations = 8! / (4! * (8 - 4)!)

= 8! / (4! * 4!)

= (8 * 7 * 6 * 5) / (4 * 3 * 2 * 1)

= 70

Therefore, there are 70 combinations of 4 letters taken from the word "universe."

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