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A secure code is defined as a sequence of different digits chosen
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03 Nov 2024, 23:44
03 Nov 2024, 23:44
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A ‘secure code’ is defined as a sequence of different digits chosen from all non-negative single digit integers. What is the ratio of the number of 4-digit secure codes to the number of 3- digit secure codes?
A. 4 to 3
B. 7 to 1
C. 7 to 6
D. 26 to 1
E. 19 to 1
A. 4 to 3
B. 7 to 1
C. 7 to 6
D. 26 to 1
E. 19 to 1
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gmatclubot
A secure code is defined as a sequence of different digits chosen [#permalink]
03 Nov 2024, 23:44
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