Question : What will be the remainder when $27^{27}+27$ is divided by 28?

Option 1: 28

Option 2: 27

Option 3: 25

Option 4: 26

Question : The percentage change in a number when it is first decreased by 10% and then increased by 10% is:

Option 1: 0.1% increase

Option 2: 1% decrease

Option 3: 0.1% decrease

Option 4: No changes

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 : 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