Q1 · hard · AI-verified
Two successive discounts of 20% and 10% are equivalent to a single discount of what percent?
- 30%
- 28%
- 32%
- 25%
Q2 · hard · AI-verified
The price of petrol increases by 25%. By what percentage should a car owner reduce his consumption so that his expenditure remains the same?
- 16.67%
- 20%
- 25%
- 22%
Q3 · easy · AI-verified
The price of sugar increased by 10%. If the original price was ₹40 per kg, what is the new price per kg?
- ₹48
- ₹44
- ₹45
- ₹42
Q4 · hard · AI-verified
A number is first increased by 20% and then decreased by 20%. What is the net percentage change?
- No change
- 2% decrease
- 4% increase
- 4% decrease
Q5 · hard · AI-verified
The population of a city increases at a rate of 10% per year. If the present population is 1,21,000, what was the population 2 years ago?
- 1,10,000
- 99,000
- 1,05,000
- 1,00,000