Education.com
Try
Brainzy
Try
Plus

Percentages Practice Problems Set 7

By
Updated on Jul 15, 2011

More percentages practice problems can be found at:

Problems

  1. During exercise, a person's heart rate should be between 60% and 90% of the difference between 220 and the person's age. According to this guideline, what should a 30-year-old person's maximum heart rate be during exercise?
    1. 114 beats per minute
    2. 132 beats per minute
    3. 171 beats per minute
    4. 198 beats per minute
  2. A class enrollment of 30 students was increased by 20%.What is the new class size?
    1. 36 students
    2. 39 students
    3. 42 students
    4. 50 students
  3. A dishwasher on sale for $279 has an original price of $350.What is the percent of discount, rounded to the nearest percent?
    1. 20%
    2. 25%
    3. 26%
    4. 71%
  4. For half of all allergy sufferers, a prescription reduces the number of symptoms by 50%. What percentage of all allergy symptoms can be eliminated by this prescription?
    1. 25%
    2. 50%
    3. 75%
    4. 100%
  5. There are 171 men and 129 women enrolled in a program. What percentage of this program is made up of women?
    1. 13%
    2. 43%
    3. 57%
    4. 75%
    Use the following pie chart to answer question 6.
  1. The chart shows quarterly sales for Cool-Air's air-conditioning units. Which of the following combinations contributed 70% to the total?
    1. first and second quarters
    2. second and third quarters
    3. second and fourth quarters
    4. third and fourth quarters
  2. In the Valley view School District last year, 315 students played on a sports team. Of those, 40% were also involved in the music program. How many students on sports teams were NOT involved in the music program?
    1. 60
    2. 126
    3. 189
    4. 216
  3. A floor plan is drawn to scale so that one quarter inch represents two feet. If a hall on the plan is four inches long, how long will the actual hall be when it is built?
    1. 2 feet
    2. 8 feet
    3. 16 feet
    4. 32 feet
  4. The markup on a pair of sneakers is 150%. If the sneakers originally cost $45, what is the price after the markup?
    1. $22.50
    2. $57.50
    3. $67.50
    4. $112.50
  5. An insurance policy pays 80% of the first $20,000 of a certain patient's medical expenses, 60% of the next $40,000, and 40% of the $40,000 after that. If the patient's total medical bill is $92,000, how much will the policy pay?
    1. $36,800
    2. $49,600
    3. $52,800
    4. $73,600
  6. A pump installed on a well can pump at a maximum rate of 100 gallons per minute. If the pump runs at 50% of its maximum rate for six hours a day, how much water is pumped in one day?
    1. 3,000 gallons
    2. 18,000 gallons
    3. 36,000 gallons
    4. 72,000 gallons
  7. Melissa can grade five of her students' papers in one hour. Joe can grade four of the same papers in one hour. If Melissa works for three hours grading, and Joe works for two hours, what percentage of the 50 students' papers will be graded?
    1. 44%
    2. 46%
    3. 52%
    4. 54%
  8. Dimitri has 40 math problems to do for homework. If he does 40% of the assignment in one hour, how long will it take for Dimitri to complete the whole assignment?
    1. 1.5 hours
    2. 2.0 hours
    3. 2.5 hours
    4. 3.0 hours
  9. The population of Smithtown increases at a rate of 3% annually. If the population is currently 2,500, what will the population be at the same time next year?
    1. 2,530
    2. 2,560
    3. 2,575
    4. 2,800
  10. The Chen family traveled 75 miles to visit relatives. If they traveled 57.8% of the way before they stopped at a gas station, how far was the gas station from their relatives' house? Round your answer to the nearest mile.
    1. 31 miles
    2. 32 miles
    3. 35 miles
    4. 38 miles
  11. A recent survey polled 2,500 people about their reading habits. The results are as follows:
  12. How many people surveyed had read books in the last month?

    1. 700
    2. 1,800
    3. 1,825
    4. 2,175
View Full Article
Add your own comment