## Find the NumberMath brain teasers require computations to solve.The number has 5 digits.
a: the first and the third digit are the same, all others are different. b: the highest digit is 7 and the lowest is 1. c: the third digit is twice as much as the fourth. d: the second digit is higher than the fifth. e: the sum of the five digits is 23. What is the number? ## What Next?
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