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ds gmat options |
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Re: ds gmat options
Some questions for preparation of Math Data Sufficiency Section under Graduate Management Admission Test (GMAT) are as follows: 1. How many ewes (female sheep) in a flock of 50 sheep are black? There are 10 rams (male sheep) in the flock. Forty percent of the animals are black. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 2. Is the length of a side of equilateral triangle E less than the length of a side of square F? The perimeter of E and the perimeter of F are equal. The ratio of the height of triangle E to the diagonal of square F is 2√3 : 3√2. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 3. If a and b are both positive, what percent of b is a? a = 3/11 b/a = 20 A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 4. A wheel of radius 2 meters is turning at a constant speed. How many revolutions does it make in time T? T = 20 minutes. The speed at which a point on the circumference of the wheel is moving is 3 meters per minute. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 5. Are the integers x, y and z consecutive? The arithmetic mean (average) of x, y and z is y. y-x = z-y A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 6. Is x > 0 ? -2x < 0 x³ > 0 A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 7. A certain straight corridor has four doors, A, B, C and D (in that order) leading off from the same side. How far apart are doors B and C? The distance between doors B and D is 10 meters. The distance between A and C is 12 meters. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 8. Given that x and y are real numbers, what is the value of x + y ? (x² y²) / (x-y) = 7 (x + y)² = 49 A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 9. Two socks are to be picked at random from a drawer containing only black and white socks. What is the probability that both are white? The probability of the first sock being black is 1/3. There are 24 white socks in the drawer. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 10. A bucket was placed under a dripping tap which was dripping at a uniform rate. At what time was the bucket full? The bucket was put in place at 2pm. The bucket was half full at 6pm and three-quarters full at 8pm on the same day. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 11. A piece of string 1½ meters long is cut into three pieces. What is the length of each of the pieces? The length of one of the pieces is 20 cm. The sum of the lengths of two of the pieces is equal to the length of the third piece. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 12. There are 120 saplings to be planted in an orchard. Ben and Sue working together without a break can complete the job in six hours. How long would it take Ben working alone to complete the job? Sue plants 3 saplings in the time it takes Ben to plant 2. Sue working alone would take 10 hours to do the job. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question |
#4
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Re: ds gmat options
13. What is the length of the diagonal of rectangle ABCD? The perimeter of the rectangle is 16. The area of the rectangle is 16. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 14. The arithmetic mean (average) of a set of 10 numbers is 10. Is the median value of the same set also equal to 10? Exactly half of the numbers are less than 10. The mode of the set of numbers is 10. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 15. When a cookie is taken at random from a jar, what is the probability that it is chocolate flavored? There are twice as many chocolate flavored cookies as there are almond flavored cookies in the jar. One third of the cookies in the jar are almond flavored. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 16. Yesterday it rained in Baronia. Did it rain in Dukia? Whenever it rains in Dukia, it also rains in Baronia. If it does not rain in Dukia, it does not rain in Baronia. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 17. How many people are standing in the queue at the counter? If four more people join the queue, the number in the queue will be more than 15. If three people give up and leave the queue, the number remaining will be less than 10. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 18. If the average age of three people is 21 years, is the youngest older than 13? The oldest is 25. One person is 24. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 19. Is the area of circle C greater than the area of square S? The diameter of C is equal to the diagonal of square S. The perimeter of S is less than the circumference of C. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question 20. How many hours were Fran and Fred away from home? They left at 9.30 am on Monday and returned at 9.30pm on Friday. Their home was empty for exactly four days. A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient D. each statement alone is sufficient E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question |
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