In how many different ways can you arrange the letters of the word COMPUTER taking 4 at a time?
In how many different ways can you arrange the letters of the word TRIGONOMETRY?
In how many different ways can the 9 starters of a baseball team be placed in their positions?
How many different two-digit numbers can be formed from the digits 3, 1, 4, and 5 (allowing reuse)?
Of 10 candidates, the first 6 are being interviewed in the morning, and the last 4 in the afternoon. In how many ways can the interviewer arrange a schedule?
How many seven-digit phone numbers can be formed if the first digit cannot be 0 and
repetition of digits is not permitted?
if repetition of digits is permitted?
The Board of Directors does not have assigned seats in the conference room. If there are 12 of them, seated at a round table, how many different seating arrangements are possible?
Using the letters of the word YOUNG, tell how many different 5-letter combinations are possible i
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