allery5, 15, 45, 135, ... என்பதில் அடுத்ததாக வருவது எது?
A270
B360
C405
D450
Answer & Solution
Correct answer: C. 405
ஒவ்வொரு உறுப்பும் முந்தைய உறுப்பைப் போல் மூன்று மடங்கு ஆகும், எனவே 135 x 3 = 405.
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