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题目： Jane and Bob are currently x and 13 years old, respectively, where x is an integer. If Jane is older than Bob, what is the minimum value of x such that the sum of Jane's and Bob's ages has a units digit that is greater than the units digit of Bob's age?

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题目： A student committee that must consist of 5 members is to be formed from a pool of 8 candidates. How many different committees are possible?

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It can be inferred from the passage that the females of all phocid species differ from the females of all otariid species in that the female phocids

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题目：

The primary purpose of the passage is to

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According to the passage, until recently zoologists believed which of the following about all phocid mothers?

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The author of the passage mentions ringed seals most probably in order to

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题目： What is the value of a? (1) -(a + b) = 2a – b + 9 (2) a + b = 6

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题目： What was Bill's average speed on his trip of 250 miles from New York City to Boston? (1) The trip took Bill 5 hours.(2) At the midpoint of his trip, Bill was going exactly 50 miles per hour.

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题目： 8 cities, including Memphis, are finalists to be chosen to host a political convention. Exactly one city will be chosen to host the convention. What is the probability that Memphis is not chosen?(1) The probability that any one of the 8 cities does not win the competition is 7/8.(2) The probability that Memphis wins the competition is 1/8.

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题目： What percent of x is $$\frac{3}{4}$$?(1) x = 5y(2) y = 10

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题目： If Company X sold 6,000 newspapers last year, how many will it sell this year? (1) Two years ago, Company X sold 5,000 newspapers. (2) Three years ago, Company X sold 4,000 newspapers.

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题目： Is the positive integer x divisible by 6?(1) x is divisible by 12.(2) x is divisible by 9.

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题目： Bob works exactly 8 hours per day assembling widgets at a constant rate. How many widgets can he assemble in half of a workday?(1) Bob produces 20 widgets in a full workday.(2) Bob produces 50 widgets in 20 hours.

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题目： A certain box contains only red balls and green balls. If one ball is randomly selected from the box, what is the probability that it is red?(1) Red balls comprise exactly two-thirds of all the balls in the box.(2) The probability of selecting a green ball from the box is$$\frac{ 1}{3}$$.

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题目： If the average weight of the chickens on Farm One is 12 pounds, how many chickens are there on Farm Two?(1) The average weight of the chickens on Farm Two is 13 pounds.(2) The total weight of the chickens on Farm Two is 6 pounds less than the total weight of the chickens on Farm One.