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A set of identical twins can only be distinguished by the characteristic that one always tells the truth and the lies. One twin tells you of a lucky number pair: "When I multiply my first lucky number by 2 and my second lucky number by 10, the addition of the resulting numbers produces a sum of 21. When I add my first lucky number and five times my second lucky number, the sum is 10." Which twin is talking? ***

A set of identical twins can only be distinguished by the characteristic that one always tells the truth and the lies. One twin tells you of a lucky number pair: "When I multiply my first lucky number by 2 and my second lucky number by 10, the addition of the resulting numbers produces a sum of 21. When I add my first lucky number and five times my second lucky number, the sum is 10." Which twin is talking? ***

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A set of identical twins can only be distinguished by the characteristic that one always tells the truth and the other always lies. One twin tells you of a lucky number pair: "When I multiply my first lucky number by 2 and my second lucky number by 10, the addition of the resulting numbers produces a sum of 21. When I add my first lucky number and five times my second lucky number, the sum is 10." Which twin is talking? Choose the correct answer below. O the twin who always lies the twin who always tells the truth ***
Transcribed Image Text:A set of identical twins can only be distinguished by the characteristic that one always tells the truth and the other always lies. One twin tells you of a lucky number pair: "When I multiply my first lucky number by 2 and my second lucky number by 10, the addition of the resulting numbers produces a sum of 21. When I add my first lucky number and five times my second lucky number, the sum is 10." Which twin is talking? Choose the correct answer below. O the twin who always lies the twin who always tells the truth ***
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