Number:  

Answer by dkppathak(439)   (Show Source): You can put this solution on YOUR website!
 Its a 4 digit number

The hundreds are 3 times the ones 

The thousands are double the tens

The sum of the digits is 24

let one place x than hundred place will be 3x

let tens place is y than thousand place will be 2y

as per give conditions  2y+3x+y+x=24

3y+4x=24  we should take pair of x any such that  sum should be 24

pair of 1 and2 not satisfy 

pair of 2 and 3 not satisfy 

pair of 3 and 4 satisfy means  x=3 and y=4  (3x4+4x3=12+12=24)

so number will be 8943

 

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