\(यदि (P={x:x\) एक प्राकृतिक संख्या है और x 7 का गुणज है तथा \(x\leq 28}) है, तो (P) क्या है\)?
\(If (P={x:x\) is a natural number and x is a multiple of 7 with \(x\leq 28}), what is (P)\)?
Explanation opens after your attempt
A. \(P=\{7,14,21,28\}\)
Concept
(7) के गुणज \(7,14,21,28,\dots\) होते हैं। / Multiples of (7) are \(7,14,21,28,\dots\).
Why this answer is correct
(28) तक के गुणज (7,14,21,28) हैं। / The multiples up to (28) are (7,14,21,28).
Exam Tip
\(\leq 28\) होने पर (28) को शामिल करें। / Since \(\leq 28\) is used, include (28).
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