A boy imagined a four digit multiple 0f 5 with different digits.if the first digit is erased the obtained number is multiple of 9.If second digit of the imagined number is erased ,the obtained number which is divisible by 11 .if the third digit of imagined number is erased the obtained number is multiple of 7 .what number a boy imagined?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.1: Counting
Problem 92E: DISCUSS: Complementary Combinations Without performing any calculations, explain in words Why the...
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A boy imagined a four digit multiple 0f 5 with different digits.if the first digit is erased the obtained number is multiple of 9.If second digit of the imagined number is erased ,the obtained number which is divisible by 11 .if the third digit of imagined number is erased the obtained number is multiple of 7 .what number a boy imagined?

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