Question : When a number is successively decreased by 25 percent, 40 percent and 20 percent, then it becomes 32,904. What is that number?

Option 1: 95,600

Option 2: 92,800

Option 3: 91,400

Option 4: 80,500

Question : If the price of rice is increased by 25 percent, then by what percentage consumption of rice should be decreased so that the expenditure incurred on rice gets decreased by 40 percent?

Option 1: 52 percent

Option 2: 43.33 percent

Option 3: 42 percent

Option 4: 48 percent

Question : A number is first decreased by 20%. The decreased number is then increased by 20%. The resulting number is less than the original number by 20. Then the original number is:

Option 1: 200

Option 2: 400

Option 3: 500

Option 4: 600

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 : 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 sum becomes 1.96 times itself in 2 years when invested at compound interest (compounding annually). What is the annual rate of interest?

Option 1: 20 percent

Option 2: 25 percent

Option 3: 40 percent

Option 4: 30 percent