COMPOUND INTEREST - COMPETITION QUESTIONS ONLY
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Subscribe to the channel, activate the bell and ask me your questions! =D ▶ Do you want to support the channel? =D PIX: [email protected] PDF sheet: https://drive.google.com/file/d/1Kn9H... Compound Interest 1. A capital of R$350.00 was invested under the compound interest for 5 years at a rate of 8% (per semester). The expression that represents the amount obtained at the end of this period is: a) 350.00 x (1 + 0.08)¹⁰ b) 350.00 x (1 + 8)⁶ c) 350.00 x (1 + 0, 08)⁶ d) 350.00 x (1 + 0.008)¹⁰ e) 350.00 x (1 + 0.8)¹⁰ 2. Mariana took out a loan based on compound interest, from a bank that charges 10% per month . At the end of 180 days, the amount to be paid will be R$9,000.00. With the money from the loan, Mariana made some payments, arriving at her home with R$1,250.00. Approximately how much did she spend on payments? Adopt (1,1)⁶ = 1.8 a) R$ 1,333.00 b) R$ 2,755.00 c) R$ 3,260.00 d) R$ 3,750.00 e) R$ 4,500.00 3. What is the profit that an investment of R$5000, made under compound interest and a rate of 2% per month, has at the end of 3 months? a) R$ 300.00 b) R$ 303.18 c) R$ 304.69 d) R$ 306.04 4. A certain person took out a loan of R$ 12,000.00 at compound interest of 5% per month. Two months later, he paid R$7,230.00 of this loan and, two months after this first payment, he paid off his entire debt. The value of this second payment, in reais, was: a) 5,000.40 b) 5,200.00 c) 6,208.80 d) 6,615.00 5. A capital of R$ 2,000.00 is applied at compound interest of 10% per month. After 3 months of capitalization without withdrawal, the holder of this amount makes a withdrawal of R$562.00 and the rest of the money continues to be capitalized under the same conditions. Two months after this withdrawal, the accumulated amount in the investment is: a) R$ 2,466.00 b) R$ 2,480.00 c) R$ 2,500.00 d) R$ 2,541.00 e) R$ 2,626.00
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