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Subject :IMO    Class : Class 3

If X is a 4-digit number, then find X using the given clues.
• The sum of all its digits is 17.
• The sum of the digits at the tens and hundreds place is the digit at the thousands place.
• The digit at the ones place is one less than the digit at thousands place.
• The digit at tens place is twice the digit at hundreds place.
• The digit at hundreds place is 2.


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