Mathematics · Number Theory
15, 21, 28 और 36 किस प्रकार की संख्याएँ हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1आयताकार संख्याएँ (Rectangular numbers)
- 2पंचकोणीय संख्याएँ (Pentagonal numbers)
- 3त्रिकोणीय संख्याएँ (Triangular numbers)✓
- 4वर्ग संख्याएँ (Square numbers)
सही उत्तर देखें
त्रिकोणीय संख्याएँ (Triangular numbers)
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