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Start with a three-digit number in which the digits are all different Use the digits to make all possible two-digit numbers and obtain their sum Investigate?
The sum is 22 times the sum of the three digits.
Does the numbers of pi ever repeat themselves in any pattern?
For short stretches, yes, certainly. For example, there are 9 stretches of a number repeating 6 or more times (eg 333333) in the first million digits. Similarly, you can get 212121. But sooner or later the pattern and its repeat diverge. For short stretches, yes, certainly. For example, there are 9 stretches of a number repeating 6 or more times (eg 333333) in the first million digits. Similarly, you can get 212121. But sooner or later the pattern and its repeat diverge. For short stretches, yes, certainly. For example, there are 9 stretches of a number repeating 6 or more times (eg 333333) in the first million digits. Similarly, you can get 212121. But sooner or later the pattern and its repeat diverge. For short stretches, yes, certainly. For example, there are 9 stretches of a number repeating 6 or more times (eg 333333) in the first million digits. Similarly, you can get 212121. But sooner or later the pattern and its repeat diverge.
Find a number of two digit is equal two three times the sum of digits?
27
What number is the ones digit three times the tens digit and both digits are even?
26.
How many three digits can be formed from the digits 0 1 2 3 4 5 and 6 if each digits can be used only once?
The first digit has to be in the set [1-6] because, if it were zero, it would not be a three digit number. The number of combinations, not using duplicates, of three numbers from the set [0-6] is 6 times 6 times 5, or 180.
