A sum of money doubles itself at 12 1/2 % per annum over a certain period of time. Find the number of years. (Pls anyone clearly say it step by step)
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Answer:
8 years
Step-by-step explanation:
SI = P
SI = PNR/100
N = SI*100 / P*R = P*100 / P*25/2
= 100 / 25/2 (25*4=100)
= 4*2
= 8 yrs
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