Data Sufficiency

If r > 0 and s > 0, is r/s < s/r? (1) r/(3s) = 1/4 (2) s = r + 4

Is x > y? (1) x = y + 2 (2) x/2 = y - 1

A group consisting of several families visited an amusement park where the regular admission fees were ¥5,500 for each adult and ¥4,800 for each child. Because there were at least 10 people in the group, each paid an admission fee that was 10% less that the regular admission fee. How many children were in the group? (1) The total of the admission fees paid for the adults in the group was ¥29,700 (2) The total of the admission fees paid for the children in the group was ¥4,860 more than the total of the admission fees paid for the adults in the group.

If r and s are integers, is r 2 +s 𝑟 2 + 𝑠 even? (1) The product of rs is odd. (2) r is odd.

In a certain packinghouse, grapefruit are packed in bags and the bags are packed in cases. How many grapefruit are in each case that is packed? (1) The grapefruit are always packed 5 to a bag and the bags are always packed 8 to a case. (2) Each case is always 80 percent full.

If x and y are different positive numbers, is z between x and y? (1) z > 0 (2) z < y

If r and s are positive integers, r is what percent of s? (1) r = 3/4*s (2) r/s = 75/100

How many newspapers were sold at a certain newsstand today? (1) A total of 100 newspapers were sold at the newsstand yesterday, 10 fewer than twice the number sold today. (2) The number of newspapers sold at the newsstand yesterday was 45 more than the number sold today.

Machine X runs at a constant rate and produces a lot consisting of 100 cans in 2 hours. How much less time would it take to produce the lot of cans if both Machines X and Y were run simultaneously? (1) Both Machines X and Y produce the same number of cans per hour. (2) It takes Machine X twice as long to produce the lot of cans as it takes Machines X and Y running simultaneously to produce the lot.

Of the books that are standing upright along the top shelf of a bookcase, some are 1/2-inch thick and the rest are 3/4-inch thick. What is the total number of books standing upright along the top shelf ? (1) Half of these books are 1/2-inch thick. (2) The total thickness of all of these books is 25 inches.

What distance did Jane travel? (1) Bill traveled 40 miles in 40 minutes. (2) Jane traveled at the same average rate as Bill.

Company R's annual profit has increased by a constant amount each calendar year since 1985. What was Company R's annual profit in 1991? (1) In 1985 Company R's annual profit was $212,000;in1989Company{R}^{\prime }sannualprofitwas$242,000. (2) Company R's annual profit has increased by $7,500 each year since 1985.

Sally gave some of her candy to her friends. How many pieces of candy did she have before giving any to her friends? (1) Sally gave each friend 8 pieces of candy (2) Sally had 7 pieces of candy left after giving candy to her friends. ID 06831

Was the number of books sold at Bookstore X last week greater than the number of books sold at Bookstore Y last week? (1) Last week, more than 1,000 books were sold at Bookstore X on Saturday and fewer than 1,000 books were sold at Bookstore Y on Saturday (2) Last week, less than 20 percent of the books sold at Bookstore X were sold on Saturday and more than 20 percent of the books sold at Bookstore Y were sold on Saturday

What is the value of x? (1) x + y = 7 (2) x - y = 3 - y

GMAT Practice Question Prepare for your best GMAT by trying one of our free GMAT exam practice questions, available every Monday and Thursday. A shirt and a pair of gloves cost a total of $41.70. How much does the pair of gloves cost? (1) The shirt costs twice as much as the gloves. (2) The shirt costs $27.80

How much did a certain telephone call cost? (1) The call lasted 53 minutes. (2) The cost for the first 3 minutes was 5 times the cost for each additional minute.

If x and y are positive, what is the value of x? (1) 200% of x equals to 400% of y. (2) xy is the square of a positive integer.

In the terminating decimal equivalent of d, what is the number of nonzero digits to the right of the decimal point? (1) d = 5 + 416/1,000 (2) The terminating decimal equivalent of d has one nonzero digit to the left of the decimal point.

The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. Did the profit exceed $4 million on sales of 380,000 units? (1) The profit exceeded $2 million on sales of 200,000 units. (2) The profit exceeded $5 million on sales of 350,000 units.