भुजा (x+y+z) वाले वर्ग में (xy) वाले आयत कितनी बार दिखाई देंगे?
In a square of side (x+y+z), how many times will rectangles of area (xy) appear?
Explanation opens after your attempt
B. दो बारTwice
Concept
The pair (x) and (y) forms two equal (xy) rectangles. Exam tip: count two rectangles for each different pair.
Why this answer is correct
The correct answer is B. दो बार / Twice. The pair (x) and (y) forms two equal (xy) rectangles. Exam tip: count two rectangles for each different pair.
Exam Tip
(x) और (y) के जोड़े से दो समान आयत (xy) बनते हैं। परीक्षा में प्रत्येक अलग जोड़ी के लिए दो आयत गिनें।
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