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then the required time will beIn certain years a sum of money is doubled to itself at 6 1 % simple interest per annum, 4
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- 16 years
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12 1 years 2 - 8 years
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10 2 years 3
Correct Option: A
According to the question,
If principal be Rs. p, then
S.I. = Rs. p
| ∴ Time = | |
| Principal × Rate |
| = | ||
| p × | ||
| 4 | ||
| = | = 16 years | |
| 25 |
Second method to solve this question :
Here , n = 2
| T = | × 100% | |
| R |
| T = | ||
| × 100 | ||
| 4 | ||
| T = | = 16 years. | |
| 25 |
