Check whether 6ncan end with the digit 0 for any natural numbern.

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Please find below the solution to the asked query:

To check whether ' 6 n ' gives end ( units ) digit is ' 0 '  at n = Any natural numbers ,

we know natural numbers : 1 , 2 , 3 , 4 , . . .

So,

n  = 1 , 2 , 3 , 4  . . .

And we know 6 = 2 $\times$ 3  

And we know 2 $\times$ 5 = 10

So when ' n '  is multiple of ' 5 '  . We get ' 6 n ' end digit is ' 0 ' . 

At n  = 5 , 1 0, 15 , 20 , . . .

As at n  = 5 

6 n  =  6 $\times$ 5 =  30   , Here end digit is ' 0 ' .

Or at n  = 10

6 n  =  6 $\times$ 10 =  60   , Here end digit is ' 0 ' .

Therefore,

Yes , ' 6 n '  can give end digit ' 0 '  at n  = 5 , 1 0, 15 , 20 , . . .  .                              ( Ans )



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