Search found 95 matches
In how many arrangements can a teacher seat 3 girls and 3 boys in a row of 6 seats if no two children of the same gender are to be adjacent? (A) 6 (B) 12 (C) 36 (D) 72 (E) 144 OA is D. first seat can be taken by any 6 of the children: so probability for 1st place is 6. second seat can be taken by o...
- by singhpreet1
Tue Jul 27, 2010 8:44 pm- Forum: Problem Solving
- Topic: Is this a combination problem?
- Replies: 7
- Views: 3617
M- 5 action per year N -12 action every 3 years,4 action per year M+N in 1 year=9 action flicks In 5 years,45 action flicks Pick D how can we assume that if N is making 12 in 3 years, that he will make 4 every year..what if he made 6 in one year and 5 in one year and 1 in one year... i can see the ...
- by singhpreet1
Sun Jul 25, 2010 10:29 pm- Forum: Problem Solving
- Topic: Please Solve & revert wiith explanations
- Replies: 3
- Views: 1225
sanju09 wrote:6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
A. 16
B. 15
C. 14
D. 13
E. 12
[spoiler]Source: majortests.com[/spoiler]
i feel its A16.
Preet
- by singhpreet1
Sat Jul 24, 2010 4:03 am- Forum: Problem Solving
- Topic: alcohol in
- Replies: 4
- Views: 2152
that is correct: 11-3=8 is the right answer.outreach wrote:diff between 2 odd num is an even num..
hence the smallest value of a - b = 8
so a - x (where x = b-1) = 8+1 = 9
is it c?
Preet
- by singhpreet1
Fri Jul 23, 2010 12:52 am- Forum: Problem Solving
- Topic: integers : source - kaplan
- Replies: 6
- Views: 1212
All of the members of club Y are either Democrats or Republicans. If 1/2 of the male members and 3/5 of the female members are Democrats, what is the ratio of the number of males to the number of females in the club? (1) In club Y the number of female members is one less than the number of male mem...
- by singhpreet1
Fri Jul 23, 2010 12:21 am- Forum: Data Sufficiency
- Topic: Club members
- Replies: 4
- Views: 2685
No idea of How many nickels make one dollar :( All GMATiers must note: One Dollar = 100 cents = 20 Nickels = 10 Dimes = 4 Quarters this is a very specific question with regards to the American currency which not all people around the world who would be taking the GMAT can be expected to be aware of...
- by singhpreet1
Thu Jul 22, 2010 11:10 pm- Forum: Data Sufficiency
- Topic: David is a nickel short
- Replies: 6
- Views: 1435
Given few numbers like 2, 5, 6, 7, 9. Find the number of ways of arranging a five digit even number from the given numbers? for the number to be even, only 2 and 6 are even in the above given list, so the units place must be always 2 or 6. therefore the units place can be arranged in 2! or 2 ways t...
- by singhpreet1
Thu Jul 22, 2010 10:17 pm- Forum: Problem Solving
- Topic: Problem on probability
- Replies: 4
- Views: 1212
Given that in a pack of plates, 1/3 plates are damaged, 2/3 plates are cracked and 1/3 of them are damaged and cracked. If 80 are not hampered, then what is the number of total plates? 1/3 are damaged, 2/3 are cracked , but only 1/3 are cracked and damaged, therefore 1/3 are still left which is giv...
- by singhpreet1
Thu Jul 22, 2010 10:10 pm- Forum: Problem Solving
- Topic: Help PlZzzz
- Replies: 2
- Views: 4841
formula for circular probability is: (n-1)! ,n is 11, therefore total probabilities are (11-1!)= 10!Pinku wrote:In how many ways, 7 gents and 4 ladies can be arranged circularly in a meeting
Preet
- by singhpreet1
Thu Jul 22, 2010 10:06 pm- Forum: Problem Solving
- Topic: Permutation problem
- Replies: 2
- Views: 1145
Selango is right..i think you are missing something here.Pinku wrote:If 4y – 1 > 9, then
Col A: y
Col B: 3
Also, please post the OA using spoiler.
Preet
- by singhpreet1
Thu Jul 22, 2010 10:03 pm- Forum: Problem Solving
- Topic: Problem on equalities
- Replies: 2
- Views: 999
backsolving the problem as Stuart would do: z=-1, y=-1, w=-2, therefore x would be -3Pinku wrote:Given a sequence like x, w, y, z, 0, 1, 1, 2, 3. Find the value of x?
Preet
- by singhpreet1
Thu Jul 22, 2010 10:02 pm- Forum: Problem Solving
- Topic: Problem on Sequence
- Replies: 2
- Views: 911
From the set of numbers: {1, 2, 3, 4, 5, 6}, how many different sums can be formed by summing up any two numbers in the set? we must take 2 numbers out of 6, therefore 6C2. 6C2= 15 alternatively, combinations with 1= 12,13,14,15,16 combinations with 2= 23,24,25,26 combinations with 3= 34,35,26 comb...
- by singhpreet1
Thu Jul 22, 2010 10:00 pm- Forum: Problem Solving
- Topic: Can anyone help me out with it
- Replies: 3
- Views: 1099
Hi I live in Hemel Hempstead UK (HP3 0AQ) I have following books for sale at very cheap prices. Manhattan Review GMAT Verbal Study Guide Manhattan Review GMAT Verbal Solutions Guide ARCO GMAT CAT Answers to Real Essay Questions - 3rd edition KAPLAN GMAT 800 - 2008-2009 edition Official GMAT Verbal ...
- by singhpreet1
Thu Jul 22, 2010 9:06 pm- Forum: GMAT Books for Sale/Donation
- Topic: GMAT books at throw away prices
- Replies: 2
- Views: 1443
Hello Friends, I am in London and I have some GMAT books ( Official Guide 12 Edition, Powerscore CR, Manhattan SC and Manhattan quantitative, Kaplan Verbal ). I will bear the shiping cost seperately and you make the payment only after you recieve the book. The books are in pristine state. Thanks fo...
- by singhpreet1
Thu Jul 22, 2010 9:03 pm- Forum: GMAT Books for Sale/Donation
- Topic: GMAT books for sale at cheap price in London
- Replies: 2
- Views: 1486
i thought we were looking for the smallest possible number right? then why 49999, when 40000 is the smallest...is there a negative sign i missed?bdevas01 wrote:Yep that seems to be the right answer.gmatmachoman wrote:IMO -49999bdevas01 wrote:Why can't it be -40,000?
Thanks for taking it one step further!
Preet
- by singhpreet1
Thu Jul 22, 2010 10:29 am- Forum: GMAT Math
- Topic: 4 in the ten thousands
- Replies: 11
- Views: 2829