यदि \(M={x:x\in \mathbb{N},,x\leq 50\), (x) (3) और (5) दोनों से विभाज्य है(}), तो (M) है:
If \(M={x:x\in \mathbb{N},,x\leq 50\), (x) is divisible by both (3) and (5)(}), then (M) is:
Explanation opens after your attempt
A. \(M=\{15,30,45\}\)
Concept
(3) और (5) दोनों से विभाज्य संख्या (15) की गुणज होगी। / A number divisible by both (3) and (5) must be a multiple of (15).
Why this answer is correct
(50) तक (15) के गुणज (15,30,45) हैं। / Multiples of (15) up to (50) are (15,30,45).
Exam Tip
अलग-अलग (3) या (5) के गुणज नहीं, दोनों शर्तें साथ पूरी होनी चाहिए। / Do not take separate multiples of (3) or (5); both conditions must hold together.
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