Question : If a number is increased by 25% and the resulting number is decreased by 25%, then the percentage increase or decrease finally is:

Option 1: no change

Option 2: decreased by $6\tfrac{1}{4}$%

Option 3: increased by $6\tfrac{1}{4}$%

Option 4: increased by $6$%

Question : A number is first increased by 16% and then increased by 20%. The number so obtained has now decreased by 40%. The net decrease percentage in the original number is:

Option 1: $16 \frac{12}{25}$%

Option 2: $15 \frac{9}{25}$%

Option 3: $11 \frac{13}{25}$%

Option 4: $13 \frac{7}{25}$%

Question : A number is first increased by 8% and then decreased by 3% to get 2619. What is 5% of that number?

Option 1: 125

Option 2: 135

Option 3: 130

Option 4: 140

Question : If the price of a product is first increased by 15% and then decreased by 20%, then what is the percentage change in the price?

Option 1: 5% decrease

Option 2: 8% increase

Option 3: 5% increase

Option 4: 8% decrease

Question : In a two-digit number, the digit at the unit place is 1 less than twice the digit at the tens place. If the digits at the units place and tens places are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is:

Option 1: $59$

Option 2: $23$

Option 3: $35$

Option 4: $47$