Search found 39 matches
- by rd85
Thu Jul 16, 2009 5:07 am- Forum: Problem Solving
- Topic: If xy + z = x(y + z), which must be true?
- Replies: 4
- Views: 1560
- by rd85
Thu Jul 16, 2009 5:05 am- Forum: Problem Solving
- Topic: how many different positive prime factors?
- Replies: 2
- Views: 1043
- by rd85
Thu Jul 16, 2009 5:02 am- Forum: Problem Solving
- Topic: Sticky pads
- Replies: 2
- Views: 2666
I am not sure how the answer is D. Anyway, I realised that I was reading the question incorrectly. The answer should be E.
Source is
http://www.beatthegmat.com/answers-to-9 ... 35974.html
- by rd85
Thu Jul 16, 2009 5:01 am- Forum: Data Sufficiency
- Topic: Sum of positive integers x and y is 72
- Replies: 8
- Views: 9133
- by rd85
Thu Jul 16, 2009 4:56 am- Forum: Data Sufficiency
- Topic: Ratio of women to children
- Replies: 2
- Views: 2485
Ahh....seems like i finally solved this question... correct me if i am wrong.. Rate of Eq, R is proportinal to A^2 and inversly proportional to B So, R = k (A^2/B) => k = (BR)/(A^2)..................(1) Now if B is increased by 100%. This means B is now 2B. So to keep R constant, we would need to in...
- by rd85
Thu Jul 16, 2009 2:51 am- Forum: Problem Solving
- Topic: Rate of a reaction
- Replies: 1
- Views: 960
Sum of positive integers x and y is 72
Sum of positive integers x and y is 72. What is xy? a. x = y + 1 b. x and y have same tens digit OA is D , whereas I feel it should be A . Consider II statement, (X,Y) / (Y,X) can be (33,39) (34,38) (35,37) (36,36) So how can we deduce a definite answer? We have 4 different values of X and Y. Please...
- by rd85
Thu Jul 16, 2009 2:29 am- Forum: Data Sufficiency
- Topic: Sum of positive integers x and y is 72
- Replies: 8
- Views: 9133
Ratio of women to children
The ratio of women to children on a tour is 5:2. How many men are there?
a. Ratio of children to women is 5:11
b. There are less than 30 women on the tour.
OA is C but I am not sure how did they arrive at it considering both sentences do not mention anything about men?
- by rd85
Thu Jul 16, 2009 2:23 am- Forum: Data Sufficiency
- Topic: Ratio of women to children
- Replies: 2
- Views: 2485
If xy + z = x(y + z), which must be true?
If xy + z = x(y + z), which must be true?
a. x = 0; z = 0
b. x = 1; y = 1
c. y = 1; z = 0
d. x = 1 or y = 0
e. x = 1 or z = 0
- by rd85
Thu Jul 16, 2009 2:21 am- Forum: Problem Solving
- Topic: If xy + z = x(y + z), which must be true?
- Replies: 4
- Views: 1560
Sticky pads
2 sizes of sticky pads. Each has 4 colors – Blue, Green, Yellow, and Purple. The pads are packed in packages that contain either 3 notepads of same size and same color or 3 notepads of same size and of 3 different colors. How many different packages of the types described are possible? a. 6 b. 8 c. ...
- by rd85
Thu Jul 16, 2009 2:19 am- Forum: Problem Solving
- Topic: Sticky pads
- Replies: 2
- Views: 2666
how many different positive prime factors?
If n is a positive integer less than 200 and 14n⁄60 is also an integer, then n has how many different positive prime factors?
a. 2
b. 3
c. 5
d. 6
e. 8
- by rd85
Thu Jul 16, 2009 2:12 am- Forum: Problem Solving
- Topic: how many different positive prime factors?
- Replies: 2
- Views: 1043
Rate of a reaction
The rate of a reaction is directly proportional to the square of the concentration of A and inversely proportional to concentration of B. If B increases by 100%, which of the following is closest to the % change in concentration of A required to keep the rate unchanged? a. 100% decrease b. 50% decre...
- by rd85
Thu Jul 16, 2009 2:12 am- Forum: Problem Solving
- Topic: Rate of a reaction
- Replies: 1
- Views: 960
IMO C Its a 3:2 split.. between has and did.. Clearly has is the winner.. because the sentence uses, "Not since Galileo suffered", implying that we are talking about present too.. Ex: It has been long since I played cricket.. Meaning I have not played cricket for long and also till now.. ...
- by rd85
Fri Jul 10, 2009 3:24 am- Forum: Sentence Correction
- Topic: scurvy humor 41
- Replies: 9
- Views: 2824
- by rd85
Thu Jul 09, 2009 1:46 am- Forum: Sentence Correction
- Topic: S-V AGREEMENT A TOUGH ONE
- Replies: 8
- Views: 2482
IMO, the answer is D.
Since WHILE is being used as a conjunction here(conveys the meaning - at the same time), by reading the sentence you feel something is missing.
For example -
While you're up, close the door.
Please correct me if I am wrong and do tell the OA.
- by rd85
Tue Jun 30, 2009 6:08 am- Forum: Sentence Correction
- Topic: why "while willing" is wrong in Q 68, OG11
- Replies: 19
- Views: 5682