If A = {5 10 15 20} and B = {10 20 30} then what is A ∩ B?
यदि A = {5 10 15 20} और B = {10 20 30} हैं तो A ∩ B क्या होगा?
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Correct Answer
B. {10 20}
ExplanationStep 1: Intersection contains common elements. Step 2: 10 and 20 are present in both sets so option B is correct. Step 3: Think of intersection as common part.
Step 1: Intersection में common elements आते हैं। Step 2: 10 और 20 दोनों sets में हैं इसलिए option B सही है। Step 3: Intersection को common part समझें।