The sum of money that will yield ₹60 as simple interest at 6% per annum in 5 years is?
200
To determine the sum of money that will yield ₹60 as simple interest at a rate of 6% per annum over 5 years, we must use the formula for simple interest:
Simple Interest (SI) = (Principal (P) × Rate (R) × Time (T)) / 100
Given: SI = ₹60, R = 6%, T = 5 years.
Substitute the known values into the formula:
60 = (P × 6 × 5) / 100
To find the Principal (P), first solve for P:
60 = (30P) / 100
Multiply both sides by 100 to eliminate the denominator:
60 × 100 = 30P
6000 = 30P
Now, divide both sides by 30 to isolate P:
P = 6000 / 30
P = 200
Therefore, the sum of money is ₹200.
Aman needed ₹30,000 for a start-up and split the sum between two private lenders under simple-interest terms:
Lender A charges 9% p.a. (simple interest)
Lender B charges 6% p.a. (simple interest)
Aman kept both loans exactly 4 years and then made a single lump-sum payment that settled only the accumulated interest, which came to ₹9,600. After preparing his books of account, Aman discovered that if he had interchanged the principal amounts taken from the two lenders, his four-year interest outgo would have been ₹1,200 less than what he actually paid. How much of the original ₹30,000 did Aman borrow at 9% p.a. from Lender A?
Sarah invested amounts in three different schemes M, N, and O at simple interest rates of 10% p.a., 12% p.a., and 15% p.a. respectively. If the total interest accrued in one year was ₹2282 and the amount invested in Scheme O was 180% of the amount invested in Scheme M and 250% of the amount invested in Scheme N, what was the amount invested in Scheme N?
An individual invested certain amounts in three different schemes P, Q, and R at simple-interest rates of 7% p.a., 9% p.a., and 11% p.a. respectively. If the total interest accrued in one year was ₹2,520 and the amount invested in Scheme R was 250% of the amount invested in Scheme P and 300% of the amount invested in Scheme Q, what was the amount invested in Scheme P?
Ramu lent ₹3,000 to Raju and a certain sum to Ravi at the same time and at the same rate of simple interest of 8% per annum. After 5 years, he received a sum of ₹1,600 from Raju and Ravi together as interest. Find the sum lent to Ravi.
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