Question : A number is increased by 30% and then the increased number is decreased by 30%. The net increase or decrease is:

Option 1: 12% increase

Option 2: 9% decrease

Option 3: 15% decrease

Option 4: 30% increase

Question : A number is increased by 5% and then the increased number is decreased by 5%. What is the net increase or decrease per cent?

Option 1: 0.25% decrease

Option 2: 0.75% increase

Option 3: 1% increase

Option 4: 0.50% decrease

Question : If the price of a washing machine is first increased by 25% and then decreased by 25%, then the net change in price will be a _____.

Option 1: 6.5% increase

Option 2: 6.5% decrease

Option 3: 6.25% decrease

Option 4: 6.25% increase

Question : If the price of a book first increased by 18% and then decreased by 18%. What is the net change in the price of the book?

Option 1: 18% increase

Option 2: 3.24% decrease

Option 3: No change

Option 4: 18% decrease

Question : If the length of a rectangle is decreased by 13% and the breadth is increased by 13%, find the change of percentage in its area.

Option 1: 1.69% decrease

Option 2: 1.69% increase

Option 3: No change

Option 4: 13% decrease