\(यदि (A={x\in \mathbb{N}:x\) is a square number less than \(50}) और (B={1,4,9,16,25,36,49}) है, तो कौन सा कथन सही है\)?
\(If (A={x\in \mathbb{N}:x\) is a square number less than \(50}) and (B={1,4,9,16,25,36,49}), which statement is correct\)?
Correct answer and explanation
Correct Answer
A. (A=B)
Concept
(50) से छोटी वर्ग संख्याएँ \(1^2\) से \(7^2\) तक मिलती हैं। / Square numbers less than (50) are from \(1^2\) to \(7^2\).
Why this answer is correct
\(8^2=64\) सीमा से बाहर है। / \(8^2=64\) is outside the limit.
Exam Tip
सीमा और वर्ग दोनों शर्तों को साथ रखें। / Apply both the square-number condition and the bound together.
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