Practicing Success
Practicing Success
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If the ratio of principal and the simple interest after 8 years is 10 : 4 , then the rate of interest p.a. is: |
5% 3% 7% 8% |
5% |
Total interest \(\Rightarrow \) \(\frac{4}{10}\) × 100 = 40% Total Interest = Rate p.a. × time 40% = Rate p.a × 8years Rate p.a. = 5% |
