2018 · Q21
If the price of wheat rises by 25%, then by how much percent must a man reduce his consumption in order to keep his budget the same as before?
Elementary MathematicsPercentages
- A15%
- B20%
- C25%
- D30%
Explanation
After a 25% price rise, the same budget buys 100/125 = 4/5 of the original quantity. The reduction in consumption is 1 − 4/5 = 1/5 = 20%, option (B).