When I asked Mr. Bose about his age he said My age is neither a perfect square nor a perfect cube. My age is either less than 50 y

When I asked Mr. Bose about his age he said My age is neither a perfect square nor a perfect cube. My age is either less than 50 years or more than 80 years. What is Mr. Bose’s age if it is known that Mr. Bose always lies?

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