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Raj P Raj

· started a discussion

· 1 Months ago

wrong calc (Question: 211363.0 )

wrong calc

Question:
Which among the following is the largest four digit number divisible by 4, 5, 7, 8 and 9?
Options:
A) 3780
B) 7560
C) 5040
D) 5460
Solution:
Ans: (b) Largest four digit number = 9999

Let us find the LCM of 4, 5, 7, 8 and 9. 

LCM (4, 5, 7, 8, 9) = 2520


So, Required number = 9999 – 2439 = 7560

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