Question : The cost price of 50 articles is the same as the selling price of $x$ articles. If there is a profit of 25 percent, then what is the value of $x$?

Option 1: 20

Option 2: 40

Option 3: 30

Option 4: 25

Question : The marked price of a cap is INR 2,000. Two successive discounts of 15% and $x$% are given. If the selling price is INR 1,275, then what is the value of $x$?

Option 1: 20%

Option 2: 22.5%

Option 3: 27.5%

Option 4: 25%

Question : 15% of the marked price of an item is equal to 25% of its cost price. If a discount of 25% is given on the sale of the item, then what will be the profit percentage?

Option 1: 22.5%

Option 2: 20%

Option 3: 17.5%

Option 4: 25%

Question : If $3: x:: 12: 20$, then what is the value of $x$?

Option 1: 10

Option 2: 6

Option 3: 8

Option 4: 5

Question : If $\mathrm{X: Y=3: 2}$, then what is the value of $\mathrm{(X-Y):(X+Y) }$?

Option 1: 4 : 5

Option 2: 1 : 5

Option 3: 8 : 9

Option 4: 3 : 7