allery5, 15, 45, 135, ... ত ইয়াৰ পিছত কি আহিব?
A270
B360
C405
D450
Answer & Solution
Correct answer: C. 405
প্ৰতিটো পদেই তাৰ আগৰ পদটোৰ তিনিগুণ, গতিকে 135 x 3 = 405।
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