Question:medium
\(N\) denotes the set of all natural numbers. Define, for \(a \in N\)
\[
aN=\{ax:x\in N\}
\]
Then
\[
5N \cap 3N=
\]
\(N\) denotes the set of all natural numbers. Define, for \(a \in N\)
\[
aN=\{ax:x\in N\}
\]
Then
\[
5N \cap 3N=
\]
Show Hint
The intersection of \(aN\) and \(bN\) is always the set of multiples of \(\text{LCM}(a,b)\).
Updated On: Jul 15, 2026
- \(5N\)
- \(3N\)
- \(15N\)
- \(\emptyset\)
Show Solution
The Correct Option is C
Solution and Explanation
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