Question : If each side of a rectangle is decreased by 11%, then its area will decrease by:

Option 1: 25%

Option 2: 21.13%

Option 3: 24.31%

Option 4: 20.79%

Question : If the area of a square is decreased by 19%, then the diagonal of the square is decreased by:

Option 1: 10%

Option 2: 15%

Option 3: 5%

Option 4: 12%

Question : A number is first increased by 40% and then decreased by 25%, again increased by 15% and then decreased by 20%. What is the net increase/decrease percentage in the number?

Option 1: 7.2% decrease

Option 2: 6.4% increase

Option 3: 3.4% increase

Option 4: 3.4% decrease

Question : If the area of a square is increased by 44%, retaining its shape as a square, each of its sides increases by:

Option 1: 19%

Option 2: 21%

Option 3: 22%

Option 4: 20%

Question : If the length of a rectangular plot of land is increased by 5% and the breadth is decreased by 10%, how much will its area increase or decrease?

Option 1: 6.5% increase

Option 2: 5.5% decrease

Option 3: 5.5% increase

Option 4: 6.5% decrease