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Y ask about Y ? (Posted on 20170404) 

(i)Y is a positive integer.
(ii) Y1 is divisible by 5;
(iii) Y is divisible by 2,3,4,6,7,8 and 9.
What is the smallest Y?.

Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)


Solution:

(Hide)

The LCM of 2,3,4,6,7,8,9 is 504
The smallest n for which 504*n1 is a multiple of 5 is n=4. Answer Y=2016

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