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Percentages Practice Problems Set 8

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Updated on Jul 15, 2011

More percentages practice problems can be found at:

Problems

  1. A machine on a production line produces parts that are not acceptable by company standards 4% of the time. If the machine produces 500 parts, how many will be defective?
    1. 8
    2. 10
    3. 16
    4. 20
  2. Thirty percent of the high school is involved in athletics. If 15% of the athletes play football, what percentage of the whole school plays football?
    1. 4.5%
    2. 9.0%
    3. 15%
    4. 30%
  3. Twenty percent of the people at a restaurant selected the dinner special. If 40 people did not select the special, how many people are eating at the restaurant?
    1. 10
    2. 20
    3. 40
    4. 50
  4. An average of 90% is needed on five tests to receive an A in a class. If a student received scores of 95, 85, 88, and 84 on the first four tests, what will the student need on the fifth test to get an A?
    1. 92
    2. 94
    3. 96
    4. 98
  5. Only of the students in Charlie's class bring their lunch to school each day. What percentage of the students brings their lunch?
    1. 12.5%
    2. 24.5%
    3. 34.5%
    4. 37.5%
  6. What is 90% of 90?
    1. 9
    2. 18
    3. 81
    4. 89
  7. The City Bus Department operates 200 bus routes. Of these, 5 % are express routes. How many express routes are there?
    1. 11
    2. 15
    3. 22
    4. 25
  8. Twelve is 20% of what number?
    1. 5
    2. 20
    3. 60
    4. 240
  9. A certain baseball player gets a hit about three out of every 12 times he is at bat. What percentage of the times he is at bat does he get a hit?
    1. 25%
    2. 32%
    3. 35%
    4. 40%
  10. Herschel has worked 40% of his eight-hour shift at the widget factory. How many hours has he worked?
    1. 3 hours
    2. 3.2 hours
    3. 3.4 hours
    4. 3.5 hours
  11. Eighteen of the 45 guests at a banquet ordered seafood for dinner. What percent of the guests ordered a seafood meal?
    1. 18%
    2. 33%
    3. 40%
    4. 45%
  12. Paolo estimates that his college expenses this year will be $26,000; however, he wishes to add 15% to that amount in case of emergency. How much should Paolo try to add to his college fund?
    1. $1,733
    2. $2,900
    3. $3,000
    4. $3,900
  13. Because it was her birthday, Patty spent 325% more than she usually spends for lunch. If she usually spends $4.75 per day for lunch, how much did she spend today?
    1. $9.50
    2. $15.44
    3. $20.19
    4. $32.50
  14. Eddie weighed 230 pounds in 2008. Today he weighs 196 pounds. About what percentage of weight has he lost since 2008?
    1. 15%
    2. 24%
    3. 30%
    4. 34%
  15. A discount retail store gives a 5% discount to senior citizens. If a customer who is a senior citizen wants to purchase an item that costs $45, what is the final cost after the discount is applied?
    1. $2.25
    2. $42.75
    3. $47.25
    4. $50.00
  16. Pahana took a 250-question physics test and got 94% of the answers correct. How many questions did he answer correctly?
    1. 240
    2. 235
    3. 230
    4. 225
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