Let A= 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and let f:A N be defined by f(x)= the highest prime factor of x. How many elements are there in the range of f?

NDA 2022 Mathematics question

Let and let be defined by the highest prime factor of . How many elements are there in the range of ?

Answer: (C)

, , , , , , ,

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Question ID VK-029424