ECONOMICS (CBSE/UGC NET)

ECONOMICS

COMPOUND INTEREST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Erika takes out a loan for $6, 500 and will need to pay back 3% simple interest. How much interest will she need to pay after 5 years?
A
$975
B
$7475
C
$1035.28
D
$5525
Explanation: 

Detailed explanation-1: -To calculate simple interest, multiply the principal amount by the interest rate and the time. The formula written out is “Simple Interest = Principal x Interest Rate x Time.” This equation is the simplest way of calculating interest.

Detailed explanation-2: -SI = (P x R x T) / 100 P = Principal amount (invested or borrowed) R = Rate of interest. T = Time period (investment or loan repayment)

Detailed explanation-3: -The one-time interest rate is 1.5%. But before you can use the rate of 1.5% you must convert it to a decimal. To change percent to a decimal, divide by 100: 1.5% ÷ 100 = 0.015.

Detailed explanation-4: -Simple Interest For example, if you borrowed $100 from a friend and agree to repay it with 5% interest, then the amount of interest you would pay would just be 5% of 100: $100(0.05) = $5. The total amount you would repay would be $105, the original principal plus the interest.

There is 1 question to complete.