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3 PIPES
A cistern has 3 pipes A, B and C. A and B call fill it in 3 and hours respectively, and C can empty it in 1 hour. If the pipes are opened at 3 p.m., 4 p.m. and 5 p.m. respectively on the same day, the cistern will be empty at (A) 7 : 12 p.m. (B) 7 : 15 p.m. (C) 7 : 10 p.m. (D) 7 : 18 p.m. OA : (A) P...
- by him1985
Mon Aug 13, 2012 9:23 pm- Forum: Problem Solving
- Topic: 3 PIPES
- Replies: 3
- Views: 1148
- by him1985
Wed May 16, 2012 6:06 am- Forum: GMAT Strategy
- Topic: Need Help in Verbal : GMAT on 1Jun
- Replies: 1
- Views: 1025
- by him1985
Tue May 15, 2012 9:37 pm- Forum: Problem Solving
- Topic: The Resident of town X: GMAT Prep: PS
- Replies: 1
- Views: 812
Need Help in Verbal : GMAT on 1Jun
Hi, i have my GMAT on 1 Jun 2012. i am preparing from almost 4+ months. What my problem is that a am scoring randomly in verbal. In MGMAT Mock Test-1 : 650 (Q45,V34) MGMAT Mock Test-2 : 670 (Q47,V34) (accuracy 67% in SC,50% in CR)( No Essays) MGMAT Mock Test-3 : 740 (Q47,V44) (SC-only 2 ques wrong, ...
- by him1985
Tue May 15, 2012 9:16 pm- Forum: GMAT Strategy
- Topic: Need Help in Verbal : GMAT on 1Jun
- Replies: 1
- Views: 1025
- by him1985
Tue Apr 17, 2012 10:20 am- Forum: I just Beat The GMAT!
- Topic: My Debrief-->
- Replies: 19
- Views: 8121
Hi ronnie,ronnie1985 wrote:(A) is answer
QED
correct answer is C.
Read the question carefully.
It says, no two CONSECUTIVE numbers are same,
you have considered no two numbers are same.......
- by him1985
Thu Apr 12, 2012 12:08 am- Forum: Problem Solving
- Topic: Consecutive integers problem
- Replies: 30
- Views: 23077
I broke my head, but I failed to comprehend as to why we would treat first part of the first sentence as "Platform length + Train length" and second part of the sentence as "Train length". Thanks a ton in advance. :? Just imagine that a train's engine is entering in the platform...
- by him1985
Mon Apr 02, 2012 7:18 am- Forum: Problem Solving
- Topic: What is the length of the platform in meters...............
- Replies: 46
- Views: 27504
- by him1985
Mon Apr 02, 2012 7:13 am- Forum: Problem Solving
- Topic: What is the length of the platform in meters...............
- Replies: 46
- Views: 27504
PS: GMAT-Prob
A contest will consist of n questions, each of which is to be answered either "True" or "False". Anyone who answer all n questions correctly will be winner. What is the least value of n for which the the probability is less than 1/1000 that a person who randomly guesses the answe...
- by him1985
Wed Mar 28, 2012 7:45 am- Forum: Problem Solving
- Topic: PS: GMAT-Prob
- Replies: 2
- Views: 879
B is sufficient.
using 1) we find two values for x : X=0,2
using 2) we find single value for x: X=2
So only 2nd is sufficient, 1st is not sufficient.
- by him1985
Tue Mar 27, 2012 11:16 pm- Forum: Data Sufficiency
- Topic: What is the value of x*?
- Replies: 29
- Views: 13522
Yes, Correct answer is E.
Thanks for your explanation and suggestions
Actually i am struggling with sentence correction and doing MGMAT SC .
i got confused when it comes to Gerund or participle...
- by him1985
Wed Mar 14, 2012 8:28 am- Forum: Sentence Correction
- Topic: Transportation workers strike.....
- Replies: 4
- Views: 870
Transportation workers strike.....
The recent transportation-worker strikes have decimated the city's vital summer-tourist trade, to lead to 25 percent fewer visits, and triggers concerns among some business owners that the entire economy will begin to suffer. 1.to lead to 25 percent fewer visits, and triggers 2.leading to 25 percent...
- by him1985
Wed Mar 14, 2012 7:34 am- Forum: Sentence Correction
- Topic: Transportation workers strike.....
- Replies: 4
- Views: 870
- by him1985
Tue Mar 13, 2012 3:53 am- Forum: Data Sufficiency
- Topic: variables
- Replies: 30
- Views: 17791
C is the correct answer.
Only C gives the reasoning that past due to past performance she will not be able to perform good.
- by him1985
Tue Mar 13, 2012 3:45 am- Forum: Critical Reasoning
- Topic: Quantum Mechanics - Parallel Reasoning
- Replies: 24
- Views: 13348
C. 37.5% is the Answer
8 kg solution Y. in this 30% X so X = 2.4 kg
afetr removing 2 kg water again 2 kg added.
Again 2 kg of solution Y added, so 30% X now becomes = 0.6 kg
so total X= 2.4+0.6 = 3
now 3/8 = 37.5 %
- by him1985
Mon Mar 12, 2012 4:45 am- Forum: Problem Solving
- Topic: Hard Solutions/Mixture Problem
- Replies: 24
- Views: 20029