ECONOMICS (CBSE/UGC NET)

ECONOMICS

COMPOUND INTEREST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Leo has $50 in a savings account. The interest rate is 5%, compounded annually.To the nearest cent, how much will he have in 3 years?Use the formula B = p(1 + r)t, where B is the balance (final amount), p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.
A
$57.00
B
$57.88
C
$57.89
D
$60.00
Explanation: 

Detailed explanation-1: -Compound interest is the interest you earn on interest. This can be illustrated by using basic math: if you have $100 and it earns 5% interest each year, you’ll have $105 at the end of the first year. At the end of the second year, you’ll have $110.25.

Detailed explanation-2: -Suppose you had $100 in a savings account and the interest rate was 2% per year. After 5 years, how much do you think you would have in the account if you left the money to grow? Answer: C, more than $102.

Detailed explanation-3: -The compound interest will be Rs 783.

Detailed explanation-4: -Solution: We use the present value formula, where A is $20, 000, r is 6% or 0.06, n is 12, and t is 5 years. Approximately $14, 827.45 should be invested today in order to accumulate to $20, 000 in five years.

There is 1 question to complete.