Basic Numeracy/Quantitative Aptitude

261. Which one of the following expressions has an even integer value for all integers a and c ?

	(a) 8a + 2ac
	(b) 3a + 3c
	(c) 2a + c
	(d) a + 2c

262. A neighborhood recreation program serves a total of 280 children who are either 11 years old or 12 years old. The sum of the children’s ages is 3,238 years. How many 11-year-old children does the recreation program serve?

	(a) 55
	(b) 122
	(c) 132
	(d) 158

263. The geometric figure shown below consists of a square and 4 semicircles. The diameters of the semicircles are the sides of the square, and each diameter is 10 centimeters long. Which of the following is the closest approximation of the total area, in square centimeters, of this geometric figure?

	(a) 100
	(b) 160
	(c) 260
	(d) 400

264. Which of the following expressions is the closest approximation to the height h, in feet, of the roof truss shown below?

	(a) 15 tan 20°
	(b) 15 sin 20°
	(c) 30 tan 20°
	(d) 30 sin 20°

265. Quadrilateral ABCD is drawn on the standard (x,y) coordinate plane as shown below, with points E and F on AD. Point G is the center of rectangle BCEF. How many coordinate units long is AG ?

	(a)
	(b)
	(c)
	(d)

TOTAL

Detailed Solution

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