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Earn +20 ptsQ: How many 3 digit numbers are formed using digits 1-7?
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Continue Learning about Math & Arithmetic
How many 3-digit numbers can be formed using the digits 1 2 3?
27
How many 4 digit numbers can be formed by the digits 1 2 3 4 using each digit only once?
24 different numbers.
How many 3 digit numbers can be formed using even digits only?
More than one
How many 13 digit numbers are possible by using the digits 12345 which are divisible by 4 if repetition of digits is not allowed?
If repetition of digits isn't allowed, then no13-digit sequencescan be formed from only 5 digits.
How many 4-digit numbers can be formed by the digits 1 1 2 2 using the digits more than once?
6
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