A boy imagined a four digit multiple of 5 with different digits. If the first digit is erased the obtained number is multiple of 9. If the second digit of the imagine number is erased then obtained number is multiple of 11. If the third digit of the imagined number is erased then obtained number is multiple of 7. What number a boy imagined?
A boy imagined a four digit multiple of 5 with different digits. If the first digit is erased the obtained number is multiple of 9. If the second digit of the imagine number is erased then obtained number is multiple of 11. If the third digit of the imagined number is erased then obtained number is multiple of 7. What number a boy imagined?
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 boy imagined a four digit multiple of 5 with different digits. If the first digit is erased the obtained number is multiple of 9. If the second digit of the imagine number is erased then obtained number is multiple of 11. If the third digit of the imagined number is erased then obtained number is multiple of 7. What number a boy imagined?
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