Mathematics Answer, Explanation and Revision Hints
\(समुच्चय (A={x:x\) is a square number less than 20}) में कितने तत्व हैं? \(/ How many elements are in (A={x:x\) is a square number less than 20})?
Correct Answer: B. (4). Explanation: चरण 1: (20) से छोटे वर्ग संख्याएँ लिखें। चरण 2: (1,4,9,16) चार संख्याएँ हैं। चरण 3: सीमा दी हो तो सूची बनाकर गिनती करें। / Step 1: List the square numbers less than (20). Step 2: (1,4,9,16) are four numbers. Step 3: When a boundary is given, make the list and count.
Why is option B correct in this Mathematics MCQ?
(1,4,9,16) चार संख्याएँ हैं। / (1,4,9,16) are four numbers.
What should I remember for this Mathematics concept?
सीमा दी हो तो सूची बनाकर गिनती करें। / When a boundary is given, make the list and count.
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