Asked by | 4th Aug, 2008, 04:37: PM
we know a number is divisible by 3,if that number is a multiple of 3.
so in 5n ,its for sure that 5is not divisible by 3.
So n should be a multiple of 3.
now the question says the least value of n where n is a natural number,therefore n=3
so 5n=15 and 15 is divisible by 3 (answer)
Answered by | 5th Aug, 2008, 10:51: AM
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