The chart above shows political and geographic data on a certain legislative committee of 20 members, each of whom belongs to 1 of 2 political parties and lives in 1 of 4 regions. How many subcommittees of this legislative committee are possible that contain exactly 1 member from each of the 4 regions and the same number of members from each of the 2 political parties?

• A. 99
• B. 10
• C. 20
• D. 246
• E. 495

It can be inferred that the author sees informal contact between managers and customers as an example of which of the following?

• A. The extension of managerial authority to external relationships
• B. The effective utilization of official contact points
• C. The changes in business conditions that have created a need for new managerial techniques
• D. An outmoded approach to management that needlessly constrains managers from vitiating projects on their own
• E. The development of pathways for information and action that bypass traditional avenues of corporate communication

Until the Apollo astronauts brought samples of lunar material to Earth during 1966-72, scientists believed that the Moon's surface was largely undisturbed, given its dry, airless environment. Examination of the samples has shown otherwise. Micrometeorites, many smaller than a pencil point, constantly rain onto the Moon at up to
100,000 kilometers per hour, chipping materials or forming microscopic craters. Some melt the soil and vaporize and recondense as glassy coats on other specks of dust. Impacts weld debris into lumps of heterogeneous matter called "agglutinates." Complicated interactions with solar particle streams convert iron into myriads of microscopic iron grains. The regdith-pebbles, sand, and dust-from these erosion processes blankets the Moon. Much of the top layer consists of a complex abrasive dust of microscopic glass shards that can grind machinery and sealing devices and damage human lungs.
The Apollo specimens held by the United States are doled out in ultra-small samples to scientists who demonstrate that nothing else will suffice for high-value experiments. Renewed interest In lunar exploration in the late 1980s meant that materials designed to simulate lunar regolith-simulants-were needed for research to develop schemes for lunar building and procedures for extracting elements such as oxygen found abundantly in regolith. That led to the development of JSC-1 in 1993, made of volcanic cinder cone from a quarry in Arizona in the U.S. The more than 22 metric tons made was in high demand. Efforts are now afoot to manufacture 16 metric tons of JSC-1 A, with 1 ton of fine grains, 14 tons of moderately fine, and 1 ton of coarse.
The reason cited in the passage for developing a few root simulants (see highlighting) is

• A. the nature of the tests for which the lunar regolith simulants were originally developed
• B. the similarity of chemical composition of lunar regolith and terrestrial volcanic soils
• C. the difficulty of obtaining simulant components from widely scattered quarries and mines
• D. the impracticality and expense of individually producing a unique simulant for each of many different lunar locations
• E. the similarity of the physical structure of lunar regolith from different areas of the Moon

Two positive integers, A and B, each yield the same remainder when divided by 4. Furthermore, A is less than IS. In the table, select values for A and 5that are jointly consistent with the given information. Make only two selections, one in each column.

(1) x is an even integer. (2)* Is greater than 0.

• A. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
• B. Statements (1) and (2) TOGETHER are NOT sufficient.
• C. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
• D. EACH statement ALONE is sufficient.
• E. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE Is sufficient.