allery5, 15, 45, 135, ... માં આગળ શું આવે છે?
A270
B360
C405
D450
Answer & Solution
Correct answer: C. 405
દરેક પદ અગાઉના પદ કરતાં ત્રણ ગણું છે, તેથી 135 x 3 = 405.
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