TCS Company Numerical Ability Permutation and Combination

there are 5 digits 1,2,3,4,5 while making a number plate by using 1 digit,2 digits,3 digits,4 digits,5 digits how many number plates can be made with out repeatition

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Ans:325
5+5*4+5*4*3+5*4*3*2+5*4*3*2*1=325
10 years agoHelpfull: Yes(2) No(0)

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