SAT Math, Weeks 1-4

A bag contains 5 red balls and 3 blue balls. If two balls are drawn at random, what is the probability that both are red?

• 5/14 

• 10/56 

• 25/64 

• 5/28

On that same basketball team, a particular player made two shots for every three shots she missed, so each of the following can be the number of shots she took EXCEPT:

• 75

• 79

• 85

• 90

• 95

In a poll of 97 people, 25 people said they liked Daylight Savings Time, 34 said that they did not like Daylight Saving Time, and the others indicated they had no opinion. What fraction of people surveyed had no opinion?

• 25/97

• 28/97

• 31/97

• 34/97

• 38/97

If 15% of x equals 75% of y, which of the following expresses y in terms of x?

• Y = 90% of x

• Y = 45% of x

• Y = 35% of x

• Y = 25% of x

• Y = 20% of x

6 cartridges of ink can print out 1500 pages. At that rate, how many cartridges are needed to print out 11,250 pages?

• 43

• 44

• 45

• 46

• 47

In a particular store, the ratio of phones to sales associates was 50 to 5. Additionally, the ratio of sales associates to headsets was 2 to 6. What was the ratio of headsets to phones?

• 2 to 17

• 1 to 5

• 3 to 10

• 6 to 19

• 4 to 7

In an atlas, 5/4 inches represents 1200 miles. If the distance from Point A to Point B is 3900 miles, what is the distance between the two points on the atlas?

• 65/16 inches

• 4 inches

• 24/7 inches

• 17/6 inches

• 13/5 inches

While listening to the radio on the Internet for one hour, I became frustrated because fifteen minutes of that hour was spent dealing with buffering issues. But, let's look at the positive side: what percentage of my hour was spent listening to music and NOT dealing with buffering issues?

The cost of a book was originally $10. Its cost decreased by 15%, and then its cost decreased by an additional 30% the week after. What did its cost become?

In the election, there were eight candidates whose average age was 55 years old. If the candidates were 52, 50, 61, 36, 82, 57, x, and y years old, what must the average of x and y be?

• 47

• 48

• 49

• 50

• 51

In 1980, Wyoming's population was 469,557. In 1990, Wyoming's population was 453,588. This means that from 1980 to 1990, Wyoming's population decreased by:

• 10%

• 5%

• 3.5%

• 3.4%

• 3.1%

If y is inversely proportional to x and y = 42 when x = 7, what is the value of y when x = 42?

• 254

• 42

• 40

• 24

• 7

The amount of paper that John puts in his printer is directly proportional to the number of pages that he knows he will be printing. If he puts 500 pages in when he will be printing 400 pages, how many pages will he put in when he prints 24 pages?

• 19.2

• 20

• 30

• 50

• 9000

Which of the following numbers is between (5/8) and (5/7)?

• 5/9

• 10/17

• 6/10

• 31/50

• 7/10

500 million English speakers use the Internet. If every Internet user accesses the Internet through using Browser A, Browser B, Browser C, Browser D, Browser E, or some other browser, how many English-speaking Internet users do NOT use Browser A, B, C, D, or E? (see circle graph above)

• 33 million

• 34 million

• 35 million

• 36 million

• 37 million

A box had seven boxes of dolls within it, and the boxes within the big box weighed a total of 235 pounds. One small box of 42 pounds was replaced by another small box of 28 pounds; further, another small box weighing 34 pounds was replaced by a small box that weighed 30 pounds. What is the new average weight of all seven of the small boxes within the big box?

The average PSAT score of a group of 15 students was 195 -- if you take away the two students who scored a 131 and a 145, what was the approximate average of the rest of the class?

• 194

• 204

• 210

• 225

• 240

A particular refrigerator houses only apple juice boxes and orange juice boxes. The ratio of apple juice boxes to orange juice boxes in a refrigerator is 4 to 5. If there are 81 juice boxes in the (really, really large) refrigerator, how many apple juice boxes are there?

• 32

• 36

• 42

• 56

• 65

If w is 20% of x, x is 40% of y, and y is 25% of z, what is w in terms of z?

• W = 28.33% of z

• W = 22.5% of z

• W = 20% of z

• W = 2% of z

• Not enough information available