Question : Water tax is increased by 20% but its consumption is decreased by 20%. Then, the increase or decrease in the expenditure of money is:

Option 1: 5% decrease

Option 2: 4% decrease

Option 3: No change

Option 4: 4% increase

Question : In the first month, the income of Mohan increased by 30%. In the second month, his income decreased by 30%. What will be the percentage increase or decrease in the income after two months?

Option 1: 15% increase

Option 2: 9% increase

Option 3: 15% decrease

Option 4: 9% decrease

Question : The cost of apples is increased by 20% and then decreased by 20%. What is the net percentage decrease?

Option 1: 4%

Option 2: 3%

Option 3: 5%

Option 4: 6%

Question : The length and breadth of a cuboid are increased by 20% and 25%, respectively, while its height is reduced by 30%. What must be the total percentage increase/decrease in the volume of the cuboid?

Option 1: Increase by 5%

Option 2: Increase by 3%

Option 3: Decrease by 2%

Option 4: Decrease by 4%

Question : A number is reduced by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?

Option 1: 25%

Option 2: 26%

Option 3: 27%

Option 4: 28%