Question : In an examination, B obtained 20% more marks than those obtained by A, and A obtained 10% fewer marks than those obtained by C. D obtained 20% more marks than those obtained by C. By what percentage are the marks obtained by D more than those obtained by A?

Option 1: $33 \frac{1}{3} \%$

Option 2: $13 \frac{1}{3} \%$

Option 3: $43 \frac{1}{3} \%$

Option 4: $23 \frac{1}{3} \%$

Question : If the price of petrol is increased by 81%, by what percentage should the consumption of petrol be decreased by the consumer if the expenditure on petrol remains unchanged? (Correct to two decimal places).

Option 1: 40.45%

Option 2: 41.25%

Option 3: 43.12%

Option 4: 44.76%

Question : A number is decreased by 20% to get another number. The number so obtained is increased by 200% to get a third number. The difference between the third number and the original number is what percentage more or less than the difference between the second and the third number?

Option 1: 15.7% more

Option 2: 15.7% less

Option 3: 12.5% more

Option 4: 12.5% less

Question : In an examination, A got 25% more marks than B, B got 10% less than C, and C got 25% more than D. If D got 320 marks out of 500, the marks obtained by A were:

Option 1: 405

Option 2: 450

Option 3: 360

Option 4: 400

Question : Two students appeared for an examination. One of them secured 19 more marks than the other and his marks were 60% of the sum of their marks. The marks obtained by them are:

Option 1: 78 and 59

Option 2: 57 and 38

Option 3: 45 and 26

Option 4: 99 and 80