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Mathematics · Grade 10 CAPS

Finance & Growth

Finance & Growth is one of 9 topics in the Grade 10 Mathematics CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.

Sample practice questions

Easy

1. Write down the simple interest formula for the accumulated amount A.

Answer: A=P(1+in) — The simple interest formula is A = P(1 + in), where P is principal, i is the interest rate per period, and n is the number of periods.
Easy

2. R5 000 is invested at a simple interest rate of 8% per year for 3 years. Calculate the accumulated amount A, in rand.

Answer: 6200 — A = 5000(1 + 0.08 x 3) = 5000(1.24) = R6 200.
Medium

3. R5 000 is invested at a simple interest rate of 8% per year for 3 years. Calculate the interest earned (not the total amount), in rand.

Answer: 1200 — Interest = P x i x n = 5000 x 0.08 x 3 = R1 200.
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