Question : The salary of Ramesh first increases by 35%, then decreases by 40%, then again increases by 25%. Find the overall increase or decrease percentage.

Option 1: Increase by 1.25%

Option 2: Decrease by 2.25%

Option 3: Decrease by 1.25%

Option 4: Increase by 2.25%

Question : A man spends 75% of his income. If his income increases by 28% and his expenditure increases by 20%, then what is the increase or decrease percentage in his savings?

Option 1: 52% decrease

Option 2: 52% increase

Option 3: 13% decrease

Option 4: 13% increase

Question : Solubility of gases in liquids ______ with a decrease in temperature.

Option 1: remains constant

Option 2: first decreases and then increases

Option 3: increases

Option 4: decreases

Question : The ratio between monthly income and expenditure of Vaidic is 8 : 5. If his income increases by 20% and his expenditure increases by 30%, then find the percentage increase or decrease in his monthly savings.

Option 1: $5 \frac{2}{3}$% increase

Option 2: $5 \frac{2}{3}$% decrease

Option 3: $3 \frac{1}{3}$% increase

Option 4: $3 \frac{1}{3}$% decrease