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Math Expert
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Re: If m and n are positive two-digit integers, what is the value of the [#permalink]
Given both m and n are two-digit numbers

Statement1:
Given m-n = 43

lets assume m>53 and n>10

let us take m = 80 then n = 37, then the difference of 10s digit numbers is 5
but when m = 88 then n = 29 and the difference is 6
Not Sufficient

Statement2:
Given the difference in 10s digits is not a multiple of 3.
m and n could be any set of numbers
Not Sufficient

Combining:
Difference is 5
Hence C

Originally posted by G-Man on 14 Sep 2022, 10:40.
Last edited by G-Man on 05 Nov 2022, 06:12, edited 1 time in total.
GMAT Club Bot
Re: If m and n are positive two-digit integers, what is the value of the [#permalink]
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Math Expert
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