ECZ 2013 · O-Level Paper 1 — Social and Commercial Arithmetic
Kaponya got a simple interest of K375.00 from a bank after investing a sum of money for 18 months. Find the amount of money he invested, if the bank interest rate was 10% per annum.
- A. K3 750.00
- B. K250.00
- C. K625.00
- D. K2 500.00
Verified working — step 1
Simple interest: I = PRT100 - but the rate is per YEAR, so 18 months must become 1.5 years first.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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