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Ready4	A study by the Department of Health states that the numbers of children with autism grew by more than a 27 percent increase from 1990 to 2000.
Ready4	Is $a > b$ ? (1) $a < b^4$ (2) $a$ and $b$ are both negative integers
Ready4	Which of the following expressions has the largest value?
Ready4	Even though John Keynes’s economic theory has proven less popular than Milton Friedman’s and less influential than Adam Smith's, it is no less important.
Ready4	In 1991 the service sector accounted for twenty-two percent of India’s gross domestic product; and fifty-five percent in 2010.
Ready4	If $x$ is an integer, is $\frac{49}{x}$ an integer? (1) $x$ is an odd number (2) $10 < x < 20$
Ready4	A dealer has 15 cars, of which 9 are special edition vehicles. Four cars fit in the showroom and the rest are in the back lot. Each morning, the dealer randomly selects which four cars will be in the showroom that day. What is the probability that exactly three special edition vehicles will be in the showroom on any given day?
Ready4	According to the chart shown, which of the following is closest to the difference between the mean and the median of the weekly book sales at C&M Bookstore for the 8 weeks indicated on the graph?
Ready4	If money is invested at $r$ percent interest, compounded annually, the amount of the investment will double in approximately $\frac{70}{r}$ years. If Eloise invested $2,000 in a long-term bond that pays 5 percent interest, compounded annually, what will be the approximate total amount of the investment 30 years later?
Ready4	If money is invested at $r$ percent interest, compounded annually, the amount of the investment will double in approximately $\frac{72}{r}$ years. If $6,000 is invested in an account that pays 9 percent interest, compounded annually, approximately how many years will it take for the value of the investment to be 4 times its initial value?
Ready4	If money is invested at $r$ percent interest, compounded annually, the amount of the investment will double in approximately $\frac{70}{r}$ years. If $10,000 is invested in an account that pays 6 percent interest, compounded annually, approximately how many years will it take for the value of the investment to be $80,000?
Ready4	If money is invested at $r$ percent interest compounded annually, the amount of the investment will double in approximately $\tfrac{70}{r}$ years. If $5,000 is invested in an account that pays 7 percent interest compounded annually, approximately how many years will it take for the value of the investment to be $80,000?
Ready4	Given positive integers $x$ and $y$ where at least $x$ is odd, which of the following must also be odd?
Ready4	If positive integer $m$ is odd and $p$ is prime, which of the following must be even?
Ready4	In the figure shown, the triangle is inscribed in the semicircle. If the length of line segment $\overline{XY}$ is 5 and the length of line segment $\overline{YZ}$ is 12, then what is the length of arc $XYZ$ ?
Ready4	In the figure shown, $\Delta WXY$ is inscribed in semicircle $WXY$ . If the length of line segment $WX$ is $2$ and the length of line segment $XY$ is $2 \sqrt{3}$ , what is the length of arc $WX$ ?
Ready4	In the figure above, the circumference of circle $Q$ is 4. If the measure of $\angle QAB$ is $50^\circ$ , what is the length of arc $AB$ ?
Ready4	In the figure above, $O$ is the center of the circle and the measure of $\angle XOY$ is $72\degree$ . If the circumference of the circle is $16$ millimeters, what is the length, in millimeters, of arc $XY$ ?
Ready4	If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 36. By how much do the two digits differ?
Ready4	If a two-digit positive integer has its digits reversed, the sum of the resulting integer and the original integer is $110$ . What is the sum of the digits in the original number?