Question : The value of 3 × [{(11 – 3) ÷ ($\frac{1}{2}$) of 8} + 15 ÷ 3] is:

Option 1: 15

Option 2: 19

Option 3: 21

Option 4: 30

Question : If 60 is subtracted from 30 percent of a number, then the result is 120. What is the value of the number?

Option 1: 550

Option 2: 600

Option 3: 700

Option 4: 630

Question : What is the value of $4^{2}-3^{2}+6^{2}-5^{2}+8^{2}-7^{2}$?

Option 1: 30

Option 2: 33

Option 3: 3

Option 4: 27

Question : What is the value of $\frac{180 \div 15-12+13}{4 \text { of } 3+1}?$

Option 1: 4

Option 2: 11

Option 3: 0

Option 4: 1

Question : What is the single discount that is equivalent to two successive discounts of 12.5% and 20%?

Option 1: 31.5%

Option 2: 30%

Option 3: 27.5%

Option 4: 28%