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Questions By rdseymour

SAT - Mathematics Section

Which of the following pairs do the two numbers add up to one?

I. (1/4) and (12/16)

II. -(1/2) and 2

III. (25/12) and -(39/36)

Added: 6 months ago
By: rdseymour
Answered: 21 times
Difficulty: Hard
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

A chess team has 400 members of which 20% are female.

If the number of females on the team were to be reduced by 25%, what percent of the remaining members of the team would be men?

Added: 6 months ago
By: rdseymour
Answered: 17 times
Difficulty: Medium
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Which of the following is the solution set of the equation x² = 7x – 12?

Added: 6 months ago
By: rdseymour
Answered: 23 times
Difficulty: Medium
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

f(x) = ((x – a)(x + a)(x – b)) / (x -c)

0 < a < b < c. For which values of x is the function above undefined

Added: 7 months ago
By: rdseymour
Answered: 18 times
Difficulty: Hard
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

x + y = 5

x – y = 3

What is x squared minus y squared

Added: 7 months ago
By: rdseymour
Answered: 13 times
Difficulty: Hard
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

What is the total amount of your purchases if you bought 10 pairs of pants at x dollars and 3 more pairs of pants at 75% off.

Added: 7 months ago
By: rdseymour
Answered: 14 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Sir Alfred has been collecting gemstones for 10 years. His favorite gems are pearls. Out of his 233 gems, 75 are pearls. How many gems does he have that are not pearls, if there are 2 other types of gemstones?

Added: 7 months ago
By: rdseymour
Answered: 10 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Two trains leave at noon from towns 200 miles apart. One train travels at a speed of 52 miles per hour, and the other travels at a speed of 48 miles per hour. At what time will the two trains meet?

Added: 7 months ago
By: rdseymour
Answered: 11 times
Difficulty: Medium
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

What is the value of x in the proportion 15/20=x/8

Added: 7 months ago
By: rdseymour
Answered: 16 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

In a class of 78 students 41 are taking French, 22 are taking German and 9 students are taking both French and German. How many students are not enrolled in either course?

Added: 7 months ago
By: rdseymour
Answered: 23 times
Difficulty: Medium
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

"A customer of a cable television company may choose to receive programming in various packages, on channels numbered 2 through 66. Receiving programming on channels 2 through 21 costs $10 per month. Receiving programs on channels numbered 22 through 66 requires paying an additional monthly fee of $25.

What is the monthly cost per channel received if the customer chooses to receive all possible programming from channel 2 to 66?"

Added: 7 months ago
By: rdseymour
Answered: 16 times
Difficulty: Medium
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

In the Jurassic Park LAB, one scientist amplify one strand of DNA with Polymerase Chain Reaction (PCR). Every cycle of PCR doubles the original DNA amount. If at the beginning , there was just one molecule of DNA, how many molecules of DNA there will be after 10 cycles?

Added: 7 months ago
By: rdseymour
Answered: 16 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

39 is 13 percent of what number?

Added: 7 months ago
By: rdseymour
Answered: 20 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

A one-way train ride between Philadelphia and New York City costs $61 in coach class each way for one person. The same trip costs $82 if taken in business class, while a one-way bus ride between Philadelphia and New York City only costs $12. What is the cost of a round-trip train trip between Philadelphia and New York City if the trip is taken in coach class both ways?

Added: 8 months ago
By: rdseymour
Answered: 14 times
Difficulty: Easy
Comments: 1
Favorited: 0 times
SAT - Mathematics Section

( sr(2) – sr(3) ) ^ 2 =

sr = square root

Added: 8 months ago
By: rdseymour
Answered: 15 times
Difficulty: Hard
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

A geologist has 10 rocks of equal weight. If 6 rocks and a 10-ounce weight balance on a scale with 4 rocks and a 22-ounce weight, what is the weight, in ounces, of one of these rocks?

Added: 8 months ago
By: rdseymour
Answered: 16 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Joe has a cherry pie. He cuts the pie in half. From that half, he cuts a slice that is 2/3 of the half. From that slice, he cuts a piece that is 3/4 of that slice. Finally, from that slice, he cuts a piece that is 4/5 of that piece. What is the size of the final piece in relation to the original pie?

Added: 8 months ago
By: rdseymour
Answered: 19 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Using linear combination, solve this system of linear equations.

2x + (-3y) = 7

3x + 3y = 3

Added: 8 months ago
By: rdseymour
Answered: 22 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Solve the equation 2r + 25 = 55 for r.

Added: 8 months ago
By: rdseymour
Answered: 9 times
Difficulty: Easy
Comments: 0
Favorited: 0 times
SAT - Mathematics Section

Fawn lives on a hill. She goes to work by bicycle at an average speed of 20 miles an hour. Work is 10 miles away. She returns home at average speed of 15 miles per hour along the same 10 mile route. How long does she spend commuting each day?

Added: 8 months ago
By: rdseymour
Answered: 8 times
Difficulty: Medium
Comments: 0
Favorited: 0 times

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