MBA
Exam
N = 5^(1!+2!+3!+...+12!+13!)The digits of the number N are added to get another number. Then
the digits of the number obtained are added to get yet another number.
The process is repeated till a single digit number is obtained. What is
that single digit number?
1) 7
2) 6
3) 5
4) 8
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