JEE Main Mathematics question

If and is a relation defined on as "two elements are related iff they have exactly one common factor other than 1". Then the relation is

Answer: (C)

Solution

Related pairs (common factor 2 only): 4–6, 4–10, 6–10, 10–12, in both orders.

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-003253