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| 1. |
if a sum of money at simple interest becomes 4 times in five years then in how many years will it become 10 times |
| Answer» PRINCIPAL (P) = 1 , Amount (A) = 4P= 4 × 1 = 4 SIMPLE Interest (I) = A - P Case 2: Principal (P) = 1 , Rate of interest (R) = 60% , [From (1) ] Amount (A) = 10P = 10 × 1 = 10, Simple Interest (I) = A - P Therefore., in 15 years the SUM become10 times #hopeithelps | |