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Sets and Relations question

2025 · 22 Jan · Shift 1 · Q29

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PYQ Library
JEE Main
Mathematics
Sets and Relations
2025 · 22 Jan · Shift 1 · Q29

Sets and Relations question

2025 · 22 Jan · Shift 1 · Q29

JEE MainMathematicsSets and RelationsMCQ+4 / −1

Let

A=\{1,2,3, \ldots, 10\}

and

B=\left\{\frac{m}{n}: m, n \in A, m\lt n\right.

and

\left.\operatorname{gcd}(m, n)=1\right\}

. Then

n(B)

is equal to :

A
29
B
31
C
37
D
36

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