If 44x = 1600, what is the value of (4x–1)2? a. 40 b. 20 c. 10 d. 5/2 e. 5/4

The total cost of an office dinner was shared equally by k of the n employees who attended the dinner. What was the total cost of the dinner? (1) Each of the k employees who shared the cost of the dinner paid $19. (2) If the total cost of the dinner had been shared equally [...]

Is the integer n odd? (1) n is divisible by 3. (2) 2n is divisible by twice as many positive integers as n. A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C) BOTH statements TOGETHER are sufficient, [...]

The ordinance is intended to force householders to separate such hazardous waste like pesticides, batteries, fertilizers, and oil-based paints from the general stream of household trash. (A) to separate such hazardous waste like (B) that they should separate such hazardous waste like (C) separating such hazardous wastes as (D) that they should separate such hazardous [...]

In a certain group of people, the average (arithmetic mean) weight of the males is 180 pounds and of the females, 120 pounds. What is the average weight of the people in the group? (1) The group contains twice as many females as males. (2) The group contains 10 more females than males. A) Statement [...]

Aging is a property ofJ1animakthat reach a fixed size at maturity, and the variations in life spans among different species are far greater as that among individuals from the same species: a fruit fly is ancient at 40 days, a mouse at 3years, a horse at 30, a man at 100, and some tortoises at [...]

If both x and y are prime numbers, which of the following CANNOT be the difference of x and y? A) 1 B) 3 C) 9 D) 15 E) 23