A sum of rs 468.75 was lent out at simple interest and at the end of 1 year and 8 months, the total amount of rs 500 is recieved. Find the rate of interest
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The simple interest on a certain sum for 8 months at 4% per annum is Rs. 129 less than the simple interest on the same sum for 15 ...
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hardikrakholiya21
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A sum of rs. 468.75/-was lent out at simple interest and at the end of 1 year 8 month the total amount was rs 500/-find the rate of interest per annul.
Report by Rita26 25.12.2017
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pratyush98
Pratyush98Maths AryaBhatta
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siddhartharao77
Siddhartharao77Maths AryaBhatta
Given P = 468.75, T = 1 year 8 months = 1(8/12) = 5/3 years, A = 500.
We know that SI = PTR/100.
We know that A = SI + P
500 = (468.75 * 5/3 * R)/100 + 468.75
500 = 2343.75R/300 + 468.75
50000 = 3125R/4 + 46875
3125R/4 = 50000 - 46875
3125R/4 = 3125
3125R = 12500
R = 12500/3125
R = 4.
Therefore the rate of interest per annum is 4%.
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