allery6 आणि 10 या त्रिकोणी संख्यांची बेरीज असलेली वर्ग संख्या कोणती?
A18
B16
C14
D20
Answer & Solution
Correct answer: B. 16
दोन लगतच्या त्रिकोणी संख्यांची बेरीज ही एक वर्ग संख्या असते, आणि 6 + 10 = 16, जो 4 चा वर्ग आहे.
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