allery5, 15, 45, 135, ... ରେ ପରବର୍ତ୍ତୀ ସଂଖ୍ୟାଟି କ’ଣ ଆସିବ?
A270
B360
C405
D450
Answer & Solution
Correct answer: C. 405
ପ୍ରତ୍ୟେକ ପଦ ପୂର୍ବ ପଦର ତିନି ଗୁଣ, ତେଣୁ 135 x 3 = 405।
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