alleryत्रिकोणी बिंदू 1, 3, 6, 10, 15, 21, 28 असे आहेत. पुढील आकृतीत किती बिंदू असतील?
A36
B38
C35
D34
Answer & Solution
Correct answer: A. 36
मागील फरक 7 होता, म्हणून पुढील फरक 8 असेल आणि 28 + 8 = 36.
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