21) There are some marble balls. If we pick 2 marbles continually at one time, we will have 1left. If we pick 3 marbles continually at one time, we have 1 left. If we pick 4 marblescontinually at one time, we also have 1 left. How many marbles do we have?Answer: 13

Given information:A collection of marbles presented with the property that if pick 2 at a time, one…

Answered: There are some marble balls. If we pick…

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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There are some marble balls. If we pick 2 marbles continually at one time, we will have 1 left. If we pick 3 marbles continually at one time, we have 1 left. If we pick 4 marbles continually at one time, we also have 1 left. How many marbles do we have?