Finding the interest rate & the number of years

1. If a security of $2000 will be worth $2809.86 3 years in the future, assuming that no additional deposits or withdrawals are made, what is the implied interest rate the investor will earn on the security?

• 1.41 %
• 12%
• 7.12%
• 0.47%

2. If an investment of $35K is earning an interest rate of 8%, compounded annually, how long will it take for this investment to reach a value of $62,337.05, assuming no additional deposits or withdrawals are made?

• 0.22 years
• 0.24 years
• 1.78 years
• 7.5 years

3. Which is TRUE, assuming no additional deposits or withdrawals are made?

• If you invest $1 today at 15% annual compound interest for 82.3753 years, youll end up with $100K
• If you invest $5 today at 15% annual compound interest for 82.3753 years, youll end up with $100K