Search found 8 matches
Equations
If there are x men and y women in a choir, and there are z more men than there are women in that choir, what is z? (1) x2 – 2xy + y2 – 9 = 0 (2) x2 + 2xy + y2 – 225 = 0 Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statemen...
- by nakul17
Wed Oct 16, 2013 2:25 am- Forum: Data Sufficiency
- Topic: Equations
- Replies: 3
- Views: 1291
Boy n Girl
The ratio of boys to girls in Class A is 3 to 4. The ratio of boys to girls in Class B is 4 to 5. If the two classes were combined, the ratio of boys to girls in the combined class would be 17 to 22. If Class A has one more boy and two more girls than class B, how many girls are in Class A? 8 9 10 1...
- by nakul17
Wed Oct 16, 2013 2:15 am- Forum: Data Sufficiency
- Topic: Boy n Girl
- Replies: 3
- Views: 1645
Probability
In a certain game, a large bag is filled with blue, green, purple and red chips worth 1, 5, x and 11 points each, respectively. The purple chips are worth more than the green chips, but less than the red chips. A certain number of chips are then selected from the bag. If the product of the point val...
- by nakul17
Mon Oct 14, 2013 11:13 am- Forum: Data Sufficiency
- Topic: Probability
- Replies: 1
- Views: 912
info booklets
Two teams are distributing information booklets. Team A distributes 60% more boxes of booklets than Team B, but each box of Team A’s has 60% fewer booklets than each box of Team B’s. Which of the following could be the total number of booklets distributed by the two groups? 2,000 3,200 4,100 4,8...
- by nakul17
Mon Oct 14, 2013 11:03 am- Forum: Data Sufficiency
- Topic: info booklets
- Replies: 2
- Views: 1210
time distance
Reiko drove from point A to point B at a constant speed, and then returned to A along the same route at a different constant speed. Did Reiko travel from A to B at a speed greater than 40 miles per hour? (1) Reiko's average speed for the entire round trip, excluding the time spent at point B, was 80...
- by nakul17
Mon Oct 14, 2013 11:02 am- Forum: Data Sufficiency
- Topic: time distance
- Replies: 2
- Views: 1444
absolute madness
If x and y are non-zero integers and |x| + |y| = 32, what is xy? (1) -4x – 12y = 0 (2) |x| – |y| = 16 Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Both statements TOGETHER are sufficien...
- by nakul17
Mon Oct 14, 2013 10:46 am- Forum: Data Sufficiency
- Topic: absolute madness
- Replies: 2
- Views: 883
Divisiblity Difficulty
For positive integer k, is the expression (k + 2)²(k² + 4k + 3) divisible by 4? (1) k is divisible by 8. (2) k+1/3 is an odd integer. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Both sta...
- by nakul17
Mon Oct 14, 2013 10:41 am- Forum: Data Sufficiency
- Topic: Divisiblity Difficulty
- Replies: 6
- Views: 1438
Number properties
If , where both s and t are prime numbers, does s@t = 1? (1) s + t (not equal to) 4 (2) s/t (not equal to) 1 Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not. Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is ...
- by nakul17
Thu Oct 10, 2013 10:02 pm- Forum: Data Sufficiency
- Topic: Number properties
- Replies: 4
- Views: 1373