यदि ({x,5}={3,y}), तो निम्न में से कौन सा युग्म सही हो सकता है?
If ({x,5}={3,y}), which pair can be correct?
Explanation opens after your attempt
Correct Answer
A. (x=3,y=5)
Concept
Equal sets must contain exactly the same elements, so 3 and 5 must appear on both sides. Do not be confused by order.
Why this answer is correct
The correct answer is A. (x=3,y=5). Equal sets must contain exactly the same elements, so 3 and 5 must appear on both sides. Do not be confused by order.
Exam Tip
बराबर समुच्चयों में वही अवयव होने चाहिए, इसलिए 3 और 5 दोनों ओर होने चाहिए। ऐसे प्रश्नों में क्रम से भ्रमित न हों।
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