\(समुच्चय (P_1={x:x\in \mathbb{N},,x\) is a multiple of 5 or \(7,,x<30}) क्या है\)?
\(What is the set (P_1={x:x\in \mathbb{N},,x\) is a multiple of 5 or \(7,,x<30})\)?
Explanation opens after your attempt
A. \(P_1={5,7,10,14,15,20,21,25,28}\)
Concept
(30) से छोटे (5) के गुणज (5,10,15,20,25) हैं। / Multiples of (5) less than (30) are (5,10,15,20,25).
Why this answer is correct
(7) के गुणज (7,14,21,28) हैं; दोनों सूचियां मिलाकर दोहराव हटाएं। / Multiples of (7) are (7,14,21,28); combine and remove repetition.
Exam Tip
या का अर्थ है कम से कम एक शर्त पूरी होनी चाहिए। / The word or means at least one condition must be satisfied.
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