Free Practice Question
PS · Problem Solving
sub-505
Sequences
If $12,000 is invested at an annual interest rate of 6 percent, compounded semiannually, what will the total amount be after 4 years, in dollars?
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Explanation
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Official Explanation
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When an investment is compounded semiannually, the interest rate is divided by 2 and the time is multiplied by 2. Therefore, for an investment of $12,000 at an annual…
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F
FlorianFeb 9, 2024
Tricky wording but good practice
S
SwaminathaJul 18, 2024
thanks for the answer
What this question tests
What it tests
Your ability to spot and extend arithmetic and geometric sequences and work with recursive definitions.
Common trap
Off-by-one errors in indexing (a₀ vs a₁) or confusing an arithmetic difference with a geometric ratio.
Details
Difficulty
sub-505
Type
PS
Category