1.Calculate the value of the expression: [ (3/7) × {21 × (33.33% of (27 + 3) divided by 5) minus 7} minus 8 ] = ?
2.Calculate the value of the following expression: [10 + {4 × [(2/3 + 1/4) × (√144 ÷ 121) + 23] ÷ 12 + 5} – 3] = ?
3.Evaluate the value of x in the equation: [50 − {20 + 60% of (26/13 + 24/12 + 21) − 2} + 8] = 625 / x.
4.If 16.66% of 33.33% of 66.66% of a certain number equals 30, what is that number?
5.Calculate the value of: 12.5 plus 10¼ of 100 divided by 10% of 10 equals __________?
6.Calculate the value of the expression: (6 - 2 × 3 + 6) divided by (2 + 6 × 3 - 4). What is the result?
7.Calculate the product of the following numbers: (2/3) × (5 1/2) × 2 × (7 5/6) × (9/11). What is the result?
8.Calculate the value of the expression: 6 minus [5/6 plus {3 7/8 minus 2 1/3 plus 1 7/9}]. What is the result?
9.Given positive integers x and y, if the product of the mixed numbers 3 1/x and y 2/5 equals 13 3/4, where the fractions are in simplest form, what are the values of x and y?
10.The sum of the numbers 461, 462, 463, and 464 is divisible by which of the following?
11.Find the value of '?' in the equation: (830 + ? × 3 × 14 ÷ 100) − (830 × 14 × 3 ÷ 100) = 20.16.
12.Given that x percent of 80 equals 20 percent of y, what are the values of x and y?
13.Find the value of ? in the equation: (84 ÷ 14 ÷ 2 ÷ 9) multiplied by ? equals 33⅓.