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Old 04-21-2008, 07:15 AM
Harsha Harsha is offline
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Join Date: Apr 2008
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The 4 digit no. is of the form (1000a+100b+10c+d)
so as per the question the no. is
9000x+400x+30x+x (if d=x, then c=3x, b=4x and a=9x)
SO, answer is
9431
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