Solve the problem: x + 4 = 10
2 answers:
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Answer with explanation:
Number of Distinct Letters in English Alphabet = 26 Capital +26 Small
=52 Alphabets
Total Number of Distinct digits in number system = {0,1,2,3,4,5,6,7,8,9}=10
Account Number of Customers for a certain Company =3 Letters +2 Numbers
Out of 52 Alphabets , 3 Letters can be Chosen in
ways, since Order of arranging of three alphabets is Important.
Similarly, out of 10 Digits , 2 numbers can be chosen in
ways, since Order of arranging of three alphabets is Important.
Total Number of Possible Account number