Question : If decreasing 110 by $x\%$ gives the same result as increasing 50 by $x\%$, then $x\%$ of 650 is what percentage (correct to the nearest integer) is more than $(x-10)\%$ of 780?

Option 1: 12%

Option 2: 17%

Option 3: 14%

Option 4: 18%

Question : A's salary is 35% more than B's salary. How much percent is B's salary less than that of A's? (correct to the nearest integer)

Option 1: 17.5%

Option 2: 20%

Option 3: 35%

Option 4: 26%

Question : Two numbers are more than the third number by 20% and 80%, respectively. The first number is what percentage of the second number?

Option 1: 75%

Option 2: 50%

Option 3: 66.66%

Option 4: 150%

Question : A person takes 40 minutes more than his usual time when he covers a distance of 20 km at 5 km/hr. If he covers the same distance at 8 km/hr, he takes $x$ minutes less than the usual time. What is the value of $x$?

Option 1: 48

Option 2: 54

Option 3: 45

Option 4: 50

Question : In an entrance examination at different centres, a total of 25, 30, 40, 45, 60 and 100 students appeared. The pass percentages of the different centres are 20%, 30%, 35%, 40%, 50% and 75%, respectively. The pass percentage of the entrance examination is: (correct to the nearest integer)

Option 1: 59%

Option 2: 43%

Option 3: 53%

Option 4: 50%