alleryत्रिभुज बिंदुओं की श्रृंखला 1, 3, 6, 10, 15, 21, 28 है। अगली आकृति में कितने बिंदु होंगे?
A36
B38
C35
D34
Answer & Solution
Correct answer: A. 36
पिछला अंतर 7 था, इसलिए अगला अंतर 8 होगा और 28 + 8 = 36।
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