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The number \(A\) is a two-digit positive integer; the number \(B\) is the two-digit positive integer formed by reversing

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The number \(A\) is a two-digit positive integer; the number \(B\) is the two-digit positive integer formed by reversing

by M7MBA » Sun Dec 26, 2021 3:22 pm

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The number \(A\) is a two-digit positive integer; the number \(B\) is the two-digit positive integer formed by reversing the digits of \(A.\) if \(Q=10B-A,\) what is the value of \(Q?\)

(1) The tens digit of \(A\) is \(7.\)
(2) The tens digit of \(B\) is \(6.\)

Answer: B

Source: Manhattan GMAT
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