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$$n \gt 0$$

Quantity A

$$\frac{n+1}{n+2}$$

Quantity B

$$\frac{1}{2}$$


At the end of 1989, 10 million employees in the United States had their paychecks deposited electronically in their bank accounts. By the end of 1996, that number had increased to 50 million. If during the last year of the period from the end of 1989 through the end of 1996, the number of employees who had their paychecks deposited electronically increased by 10 million, what was the average (arithmetic mean) increase per year for the first 6 years in the period?
From a set of 15 questions, a student must select exactly 12 questions to answer. How many different selections of 12 questions are possible if the order in which the questions are selected does not matter?
The letters R, W, S, T, M, and P are to be arranged from left to right in a sequence such that each of the 6 letters occurs exactly once. For example, PMRSTW is one such sequence. Of all possible sequences of this type, how many have S as the left-most letter and T as the right-most letter?
Six students are competing in a contest that will result in a list of three winners:one first-place winner, one second-place winner, and one third-place winner. How many different lists of three winners are possible?


The table lists the prices of all types of donuts available at Donut Shop J. How many different combinations of two donuts of different types can be purchased at Donut Shop J if the total of the prices of the two donuts must be less than $1.00?
A drawer contains socks, of which 6 are white, 7 are red, and 10 are blue. Susan will randomly select socks from the drawer, one at a time and without replacement. What is the least number of socks that Susan must select in order to ensure that 2 of the socks selected are blue?
S is the set of integers between 100 and 900, inclusive, that are multiples of 30. What is the median of the integers in S?
S is the average (arithmetic mean) of n consecutive integers, beginning with the integer m. T is the average (arithmetic mean) of n consecutive integers beginning with the integer m+1.

Quantity A

S+1

Quantity B

T


The average (arithmetic mean) of the six numbers $$y_1, y_2, y_3, y_4, y_5$$, and $$y_6$$ is $$k$$. The average of the six numbers $$y_1+k, y_2+k, y_3+k, y_4+k, y_5+k$$, and $$y_6+k$$ is $$m$$.

Quantity A

k

Quantity B

m


The integer $$m$$ is the product of four different prime numbers. If the result when $$m$$ is divided by 35 is a multiple of 11, which of the following could be the result when $$m$$ divided by 7?
Each copy of Magazine X is sold either at the cover price of $3.25 per copy or at the subscription price of $1.75 per copy. The average (arithmetic mean) price of the copies of Magazine X that were sold last month was $2.25 per copy.

Quantity A

The number of copies of Magazine X that were sold last month at the subscription price

Quantity B

Twice the number of copies of Magazine X that were sold last month at the cover price


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