At simple interest a sum becomes 49/40 of itself in 5/4 years.The rate of interest per annum is
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Answer:
Rate =18%
Step-by-step explanation:
- Prisipal =40 Amount 49
- interest =amount- prisipal 49-40= 9
- 9×100×4/40×5 = 9×2 = 18 %
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