alleryबिंदू 1, 3, 6, 10, 15 बिंदू आशिल्ले त्रिकोण तयार करतात. फुडल्यांत कितले बिंदू?
A28
B21
C24
D20
Answer & Solution
Correct answer: B. 21
दर खेपे अंतर एक वाडटा (2, 3, 4, 5), देखून फुडलो अंतर म्हळ्यार 6 आनी 15 + 6 = 21.
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