Data Sufficiency

Curated Data Sufficiency questions for GMAT preparation. Each question tests your ability to analyze quantitative problems and determine the sufficiency of provided information. ·Show:20 30 50

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In a certain two-digit integer, the ratio of the units digit to the tens digit is 2 to 3. What is the integer? (1) The tens digit is 3 more than the units digit. (2) The product of the two digits is 54.

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If today the price of an item is $3,600, what was the price of the item exactly 2 years ago? (1) The price of the item increased by 10 per-cent per year during this 2-year period. (2) Today the price of the item is 1.21 times its price exactly 2 years ago.

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For a certain bottle and cork, what is the price of the cork? (1) The combined price of the bottle and the cork is 95 cents. (2) The price of the bottle is 75 cents more than the price of the cork.

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At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice cream. How many of the guests were served a double scoop of ice cream? (1) At the picnic, 60 percent of the guests were served a double scoop of ice cream. (2) A total of 120 scoops of ice cream were served to all the guests at the picnic.

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The regular price for canned soup was reduced during a sale. How much money could one have saved by purchasing a dozen 7-ounce cans of soup at the reduced price rather than at the regular price? (1) The regular price for the 7-ounce cans was 3 for a dollar. (2) The reduced price for the 7-ounce cans was 4 for a dollar.

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A total of 9 women and 12 men reside in the 21 apartments that are in a certain apartment building, one person to each apartment. If a poll taker is to select one of the apartments at random, what is the probability that the resident of the apartment selected will be a woman who is a student? (1) Of the women, 4 are students. (2) Of the women, 5 are not students.

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Kelly's raise increased his salary by what percent ? (1) Kelly's raise was $1,200. (2) Kelly's raise increased his taxes to $1,700.

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Who is older, Akira or Michiko? (1) Akira and Michiko are 3 years apart in age. (2) Akira's younger brother is 11 years old.

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What is the average (arithmetic mean) of x, y, and z ? (1) x + y = 5 (2) y + z = 7

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After winning 50 percent of the first 20 games it played, Team A won all of the remaining games it played. What was the total number of games that Team A won? (1) Team A played 25 games altogether. (2) Team A won 60 percent of all the games it played.Â ID: 700112

655-705 (Hard)

Material A costs

3 p er k i l o g r am, an d M a t er ia l B cos t s

5 per kilogram. If 10 kilograms of Material K consists of x kilograms of Material A and y kilograms of Material B, is x > y ? (1) y > 4 (2) The cost of the 10 kilograms of Material K is less than $40.

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By what percent has the price of an overcoat been reduced? (1) The original price was $380. (2) The original price was $50 more than the reduced price.

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Last year an employee received a gross annual salary of $18,000, which was paid in equal paychecks throughout the year. What was the gross salary received in each of the paychecks? (1) The employee received a total of 24 paychecks during the year. (2) The employee received a paycheck twice a month each month during the year.

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By what percent was the price of a certain candy bar increased? (1) The price of the candy bar was increased by 5 cents. (2) The price of the candy bar after the increase was 45 cents.

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If on a fishing trip Jim and Tom each caught some fish, which one caught more fish? (1) Jim caught 2/3 as many fish as Tom. (2) After Tom stopped fishing, Jim continued to fish until he caught 12 fish.

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Is x greater than 1.8? (1) x > 1.7 (2) x > 1.9

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Mouse population X doubles every week. How many weeks from now will population X first exceed 1,000,000 ? (1) The mouse population is now 65,536. (2) Fifteen weeks ago the mouse population was 2.

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What is the value of x ? (1) 3x = 30 (2) x + y = 40

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Chan and Micko drove separate cars along the entire length of a certain route. If Chan made the trip in 15 minutes, how many minutes did it take Micko to make the same trip ? (1) Mickoâs average speed for the trip was 3/4 of Chanâs average speed. (2) The route is 14 miles long.

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â¡ +â³ ___ â In the addition problem above, each of the symbols â¡, â³, and â represents a positive digit. If â¡ < â³,what is the value of â³ ? (1) â = 4 (2) â¡ = 1

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