+0  
 
0
119
2
avatar

How many positive four-digit integers n have the property that the three-digit number obtained by removing the leftmost digit is one-fifth of n?

 Dec 13, 2020
 #1
avatar
+1

Is this what you want?

 

1250,  2500,  3750 >> Total =  3 such numbers:

 

250 / 1250 = 1 / 5,   500 / 2500 = 1 / 5,  750 / 3750 = 1 / 5

 Dec 13, 2020
 #2
avatar+112826 
0

They are the only ones.

 Dec 13, 2020

72 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar