Math for challenging brains

here are few mathematical puzzles to challenge your bdrain #C6CEEA #CCD5F4 #E2E3E7  #F07F0B 1. In a ten-digit number, first represents number of “1” present in the number, second digit  represents no of “2” in that number and third digit represents no of “3” in that number and so on ninth digit represents no of nines in that number […]

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