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The numbers a, b, and c are consecutive integers a

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The numbers a, b, and c are consecutive integers a [#permalink] New post   24 Jun 2020, 10:30
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The numbers a, b, and c are consecutive integers and \(0<a<b<c\). If the units digit at ca is 4, what is the units digit of b??

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Re: The numbers a, b, and c are consecutive integers a [#permalink] New post   24 Jun 2020, 10:30
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Re: The numbers a, b, and c are consecutive integers a [#permalink] New post   24 Jun 2020, 16:11
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We know that the three integers are consecutive and the units digit of c*a = 4.

4*6 = 24 which has units digit of 4, so let our sequence be
0 < 4 < 5 < 6

We can see that the units digit of the middle term is 5
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Re: The numbers a, b, and c are consecutive integers a [#permalink]
24 Jun 2020, 16:11
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