Katherine’s weekly salary was increased by 8% to $237.60. What was her weekly salary before the increase?

• A. $220
• B. $230
• C. $215
• D. $200

Calculate the value of x in the equation: 12 -5x = X + 30

• A. -4
• B. -6
• C. -3
• D. -5

If an athlete’s weight decreases from 160 pounds to 152 pounds what is the percentage decrease?

• A. 5%
• B. 6%
• C. 4%
• D. 10%

Divide 3900 / 500

• A. 7.8
• B. 8.7
• C. 7.9
• D. 6.8

Multiply 15,873 x 28

• A. 555,555
• B. 444,444
• C. 333,333
• D. 111,111

If 25% of a certain number is 1600, what is 10 % of the number?

• A. 40
• B. 400
• C. 640
• D. 1440

2, 4, 12, 48, 240 ____ Complete the series.

• A. 1440
• B. 1240
• C. 1040
• D. 1340

50, 60, 80, 110, 150 ____ Complete the series

• A. 200
• B. 160
• C. 180
• D. 300

2, 4, 16, 256, ____ Complete the series.

• A. 80,000
• B. 7,156
• C. 68,160
• D. 65,536

The Muslim mathematician Alkhwarzami is best known for his work in

• A. Trigonometry
• B. Set Theory
• C. Algebra
• D. Arithmetic