alleryकार्ड 21, 29, 39 और 49 दिखाते हैं। जिसके ठीक दो धनात्मक भाजक हैं?
A21
B29
C39
D49
Answer & Solution
Correct answer: B. 29
केवल 29 में बिल्कुल दो सकारात्मक भाजक हैं, 1 और 29, जबकि 21, 39 और 49 संयुक्त हैं।
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