Data Sufficiency

If each of the positive integers a, b, and c is a prime number and abc = 30, what is the value of c ? (1) a < b < c (2) a + b = c

By what percent did the median household income in Country Y decrease from 1970 to 1980 ? (1) In 1970 the median household income in Country Y was 2/3 of median household income in Country X. (2) In 1980 the median household income in Country Y was 1/2 of the median household income in Country X. Show Spoiler

In the figure above, what is the length of AD? (1) AC = 6 (2) BD = 6 Show Spoiler

If n = p/q where p and q are nonzero integers, is n an integer ? (1) n^2 is an integer. (2) (2n + 4)/2 is an integer. Experience GMAT Club Test Questions Yes, you've landed on a GMAT Club Tests question Craving more? Unlock our full suite of GMAT Club Tests here Want to experience more? Get a taste of our tests with our free trial today Rise to the challenge with GMAT Club Tests. Happy practicing! GMAT Club Tests Check Our Products Try Free Tests

Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account falls below $100 at any time during the month. Did the bank charge a service fee on Beth's regular checking account last month? (1) During last month, a total of $1,000 was withdrawn from Beth's regular checking account. (2) At the beginning of last month, Beth's regular checking account balance was $500.

Dan took a 20-question multiple-choice test in psychology. If Dan answered every question, did he answer at least 12 questions correctly? (1) Dan answered fewer than 40 percent of the questions incorrectly. (2) Dan answered at least 25 percent of the questions incorrectly.

What fractional part of the total surface area of cube C is red? (1) Each of 3 faces of C is exactly 1/2 red. (2) Each of 3 faces of C is entirely white.

What is the rate, in cubic feet per minute, at which water is flowing into a certain rectangular tank? (1) The height of the water in the tank is increasing at the rate of 2 feet per minute. (2) The capacity of the tank is 216 cubic feet.

If x, y, and z are three integers, are they consecutive integers? (1) z - x= 2 (2) x < y < z

If ab ≠ 0, in what quadrant of the coordinate system above does point (a, b) lie? (1) (b, a) lies in quadrant IV. (2) (a, -b) lies in quadrant III. Show Spoiler

If t≠0 𝑡 ≠ 0 , is r greater than zero? (1) rt = 12 (2) r + t = 7

If y = ax + b, where a and b are constants, what is the value of y when x = 10 ? (1) When x = 1, y = 5. (2) When x = 5, y = 13.

If n 𝑛 is a positive integer, is ( 1 10 ) n <0.01? (1) n>2 𝑛 > 2 (2) ( 1 10 ) n−1 <0.1 ( 1 10 ) 𝑛 − 1 < 0.1 Show Spoiler

A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set? (1) x = 15 (2) x - y = 5

In the rectangular coordinate system, are the points (r,s) and (u,v) equidistant from the origin? (1) r + s = 1 (2) u = 1 - r and v = 1 - s

What is the total number of executives at Company P? (1) The number of male executives is 3 5 3 5 the number of female executives. (2) There are 4 more female executives than male executives.

If positive integer x is divided by 2, the remainder is 1. What is the remainder when x is divided by 4 ? (1) 31 < x < 35 (2) x is a multiple of 3.

Is the positive integer n equal to the square of an integer? (1) For every prime number p, if p is a divisor of n, then so is p^2 (2) n √ 𝑛 is an integer

What is the value of x ? (1) -(x + y)= x- y (2) x + y = 2

From 1984 to 1987, the value of foreign goods consumed annually in the United States increased by what percent? (1) In 1984 the value of foreign goods consumed constituted 19.8% of the total value of goods consumed in the United States that year (2) In 1987 the value of foreign goods consumed constituted 22.7% of the total value of goods consumed in the United States that year.