JEE Main 2025January, Unspecified (session-level dataset)MathematicsMediumSets, Relations and Functions168× since 2002Let A={1,2,3,…,10}A = \{1, 2, 3, \ldots, 10\}A={1,2,3,…,10} and B={mn:m,n∈A,m<n and gcd(m,n)=1}B = \left\{\frac{m}{n} : m, n \in A, m < n \text{ and } \gcd(m, n) = 1\right\}B={nm:m,n∈A,m<n and gcd(m,n)=1}. Then n(B)n(B)n(B) is equal to:AOption A. 36BOption B. 31COption C. 37DOption D. 29CheckSkip · show solution
