Question 7
Commercial ArithmeticA trader bought 100 tubers of yam at 5 for N350.00. She sold them in sets of 4 for N290.00. Find her gain per cent.
- A.3.6%
- B.3.5%
- C.3.4%
- D.2.5%
Show the answer and explanation
Answer: A (3.6%)
Explanation
Cost = 20 × N350 = N7,000. Sales = 25 × N290 = N7,250. Gain = N250, and 250/7000 × 100% ≈ 3.6%.