alleryrule of 72 ଅନୁଯାୟୀ, 9% ସୁଧରେ ଏକ ନିବେଶ ପ୍ରାୟ କେତେ ବର୍ଷରେ ଦ୍ୱିଗୁଣିତ ହୁଏ?
A9 ବର୍ଷ
B8 ବର୍ଷ
C6 ବର୍ଷ
D7 ବର୍ଷ
Answer & Solution
Correct answer: B. 8 ବର୍ଷ
72 / 9 = 8 ବର୍ଷ।
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