Search found 269 matches
ps question
If a code word is defined to be a sequence of different letters chosen from the 10 letters A, B, C, D, E, F, G, H, I, and J, what is the ratio of the number of 5-letter code words to the number of 4-letter code words? A. 5 to 4 B. 3 to 2 C. 2 to 1 D. 5 to 1 E. 6 to 1 Hi, I dont understand the meanin...
- by dunkin77
Thu Jun 28, 2007 3:42 am- Forum: Problem Solving
- Topic: ps question
- Replies: 2
- Views: 1754
Congraturations! Thanks so much for your help - your explanation has always beeb so helpful.... Hope you dont "disappear" from this forum!!!
- by dunkin77
Mon Jun 25, 2007 10:16 pm- Forum: I just Beat The GMAT!
- Topic: 730 ... not too glad
- Replies: 17
- Views: 9557
- by dunkin77
Tue Jun 19, 2007 6:28 pm- Forum: Problem Solving
- Topic: ps 31
- Replies: 3
- Views: 2119
ds 33
Seven different numbers are selected from the integers 1 to 100, and each number is divided by 7. What is the sum of the remainders?
(1) The range of the seven remainders is 6.
(2) The seven numbers selected are consecutive integers.
I thought was C but answer is different. Can anyone help?
- by dunkin77
Tue Jun 19, 2007 5:22 pm- Forum: Problem Solving
- Topic: ds 33
- Replies: 2
- Views: 2010
ps 31
A small, rectangular park has a perimeter of 560 feet and a diagonal measurement of 200 feet. What is its area, in square feet? A. 19,200 B. 19,600 C. 20,000 D. 20,400 E. 20,800 2x+2y = 560 x^2 + y^2 =200 x+y=10sqrt2 so, 2x+2(10sqrt2 -x)=560 then x becomes 0... Can anyone explain where did I do wron...
- by dunkin77
Tue Jun 19, 2007 5:20 pm- Forum: Problem Solving
- Topic: ps 31
- Replies: 3
- Views: 2119
DS 26
If positive integer x is a multiple of 6 and positive integer y is a multiple of 14, is xy a multiple of 105?
(1) x is a multiple of 9.
(2) y is a multiple of 25.
Can anyone help?
- by dunkin77
Tue Jun 19, 2007 3:08 pm- Forum: Data Sufficiency
- Topic: DS 26
- Replies: 1
- Views: 1976
- by dunkin77
Tue Jun 19, 2007 3:03 pm- Forum: Problem Solving
- Topic: ps 13
- Replies: 1
- Views: 1906
- by dunkin77
Tue Jun 19, 2007 6:21 am- Forum: Problem Solving
- Topic: ps question
- Replies: 2
- Views: 1822
- by dunkin77
Tue Jun 19, 2007 6:16 am- Forum: Problem Solving
- Topic: ps question
- Replies: 2
- Views: 1737
- by dunkin77
Tue Jun 19, 2007 5:58 am- Forum: Problem Solving
- Topic: PREP
- Replies: 5
- Views: 6154
- by dunkin77
Tue Jun 19, 2007 3:19 am- Forum: Problem Solving
- Topic: PREP
- Replies: 5
- Views: 6154
- by dunkin77
Tue Jun 19, 2007 12:42 am- Forum: Data Sufficiency
- Topic: prep
- Replies: 3
- Views: 2301
prep
Is lxl< 1?
(1) lx + 1l = 2lx - 1l
(2) lx - 3l ≠ 0
I thought was B but the answer is different... can anyone help?
- by dunkin77
Mon Jun 18, 2007 3:25 pm- Forum: Data Sufficiency
- Topic: prep
- Replies: 3
- Views: 2301
- by dunkin77
Mon Jun 18, 2007 3:22 pm- Forum: Problem Solving
- Topic: PREP
- Replies: 5
- Views: 6154
- by dunkin77
Mon Jun 18, 2007 8:37 am- Forum: Data Sufficiency
- Topic: DS question
- Replies: 9
- Views: 2620