Question : The marked price of a microwave oven is INR 15,990 and it is sold for INR 12,792. what is the rate of discount offered?

Option 1: 25%

Option 2: 20%

Option 3: 21%

Option 4: 24%

Question : If the simple interest at the same rate of interest on INR 500 for 4 years and INR 700 for 2 years combined, is INR 280, then what is the rate of interest?

Option 1: $9 \frac{3}{17}\%$

Option 2: $6 \frac{5}{17}\%$

Option 3: $8 \frac{4}{17}\%$

Option 4: $7 \frac{3}{17}\%$

Question : A shopkeeper sold an item at 10% loss after giving a discount equal to half the marked price. Then the cost price is:

Option 1: $\frac{1}{9}$th of the marked price

Option 2: $\frac{4}{9}$th of the marked price

Option 3: $\frac{5}{9}$th of the marked price

Option 4: $\frac{7}{9}$th of the marked price

Question : In INR 150, B buys 10 pens for INR 8 each, 10 erasers for INR 5 each and some sharpeners for INR 4 each. What is the average price per item in INR?

Option 1: 8

Option 2: 7

Option 3: 10

Option 4: 6

Question : A cap having a marked price of INR 90 is sold for INR 68. What is the percentage rate of discount (correct up to two decimal places)?

Option 1: 24.44%

Option 2: 25.37%

Option 3: 22.00%

Option 4: 23.22%