Math

Arithmetic Hard 3

⏱ 10:00

600%
• Which of the following can be expressed as the product of two consecutive even integers?
• Dividing any positive number by 3⁄4 and then multiplying by −2 is equivalent to
• After Shahbaz gives Sadik \$10 and Shahriar \$3, Sadik gives \$4 to Shahriar. At this point, Shahbaz has \$10 more than Sadik and \$16 more than Shahriar. How much more money did Shahbaz have than Sadik originally?
• Which of the following is NOT equal to 1⁄3 of an integer?
• When the positive integer w is divided by 6, the remainder is 2. What is the remainder when 5w is divided by 6?
• A parking lot has 5 spots remaining and 5 different cars in line waiting to be parked. If one of the cars is too big to fit in the two outermost spots, in how many different ways can the five cars be arranged?
• Seven students took a quiz and their average (arithmetic mean) score was 83. If the average score for three of the students was 79. what was the average score for the other four students?
• In a certain store, the regular price of a refrigerator is \$600. How much money is saved by buying this refrigerator at 20 percent off the regular price rather than buying it on sale at 10 percent off the regular price with an additional discount of 10 percent off the sale price?
• If the average (arithmetic mean) of a, b, 4, and 10 is 8, what is the value of a + b?
• The population of Bumpton increased by 10% from 1980 to 1990 and decreased by 10% from 1990 to 2000. What is the net percent change in the population of Bumpton from 1980 to 2000?
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