Quant and LRDI queries | CAT 2018 | Breakspace

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Anil wrote down all the possible three-digit numbers with distinct digits on a blackboard. Of these numbers, Biswas erased all the numbers whose first and last digits were either both even or both odd. How many numbers were left on the board?

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swatiparashar
@swatiparashar  ·  2 karma

720

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Obito_Uchiha
@Obito_Uchiha  ·  0 karma

490

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