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@tomada: This is exactly what has befuddled me. That is the reason this question is here on the forum. I also want to reconfirm whether its the right question that i have got?
Anyways, i am going to put up few more very soon.
Thanks for your reverts.
- by gdk800
Wed Dec 08, 2010 7:05 am- Forum: Data Sufficiency
- Topic: 198 700+ question doubts
- Replies: 8
- Views: 2391
Much thanks to everyone for their reverts. Here is one more question. Is there a faster way doing this question if we are given a 2 digit number? Q. If M = √4 + 3√4 + 4√4, the value of M is a. < 3 b. = 3 c. 3 < M < 4 d. = 4 e. > 4 OA is E Clarification: M is equal to summation of 2nd root, 3rd...
- by gdk800
Mon Dec 06, 2010 2:03 pm- Forum: Problem Solving
- Topic: 198 700+ question doubts
- Replies: 13
- Views: 1339
Thanks for the detailed explanations Rahul. Hope you won't mind tackling some more. Q3: Each employee is either a director or a manager. What % of the employees are directors? a. The average salary of managers is $5000 less than the average of all employees b. The average salary of directors is $150...
- by gdk800
Mon Dec 06, 2010 2:00 pm- Forum: Data Sufficiency
- Topic: 198 700+ question doubts
- Replies: 8
- Views: 2391
198 700+ question doubts
Q1) Does line k intersect quadrant II?
a. Slope of k is -1/6
b. Y intercept of k is -6
OA is A
Q2) Lines n and p lie in xy plane. Is slope of line n less than slope of line p?
a. Lines n and p intersect at (5, 1)
b. Y-intercept of line n is greater than y intercept of line p
OA is C
- by gdk800
Mon Dec 06, 2010 4:11 am- Forum: Data Sufficiency
- Topic: 198 700+ question doubts
- Replies: 8
- Views: 2391
198 700+ question doubts
Q1. Two machine types, Type R and Type S, operate at a constant rate. R does a job in 36 hours. S does same job in 18. If we use the same number of each type to do the job in 2 hours, how many Type r machines do we need? a. 3 b. 4 c. 6 d. 9 e. 12 OA is C Q2. If x ≠0, then √x2/x = a. -1 b. 0 c. ...
- by gdk800
Mon Dec 06, 2010 4:10 am- Forum: Problem Solving
- Topic: 198 700+ question doubts
- Replies: 13
- Views: 1339
Help Needed
Every political philosopher of the early twentieth century who was either a socialist or a communist was influenced by Rosa Luxemburg. No one who was influenced by Rosa Luxemburg advocated a totalitarian state. If the statements above are true, which one of the following must on the basis of them al...
- by gdk800
Wed Dec 01, 2010 12:27 pm- Forum: Critical Reasoning
- Topic: Help Needed
- Replies: 4
- Views: 1423
- by gdk800
Tue Nov 30, 2010 6:55 am- Forum: Data Sufficiency
- Topic: OG 12 DS question
- Replies: 4
- Views: 1581
Rishab,
The reply doesn't concerns your answer because i agree with your solution and its the same answer and reasoning i had in my mind.
The post is meant to clarify a doubt cleared by Geva in his first post in this thread.
- by gdk800
Tue Nov 30, 2010 6:50 am- Forum: Problem Solving
- Topic: Rounded to the nearest hundredth - clarify meaning
- Replies: 9
- Views: 12593
Geva wrote: Correct. when rounding to the nearest hundredth, go to the hundredth digit and look at the next digit: if the next digit is 0-4, round down: lop of everything to the right of the hundredths digit, but leave the hundredth digit as is. 1.234 rounded to 1.23 If the next digit is 5-9, round...
- by gdk800
Tue Nov 30, 2010 6:33 am- Forum: Problem Solving
- Topic: Rounded to the nearest hundredth - clarify meaning
- Replies: 9
- Views: 12593
Thanks Rahul, yes i realized about the 3rd question as soon as you wrote x is less than 0. But could you please elaborate on the 1st question a bit more. As n > -1/10 =>10 > -1/n Multiplying both sides by -1 and thus the inequality reverses sign =>-10 < 1/n Thus 1/n should be greater and not less th...
- by gdk800
Sun Nov 28, 2010 11:42 pm- Forum: Problem Solving
- Topic: Gmat Prep_02
- Replies: 5
- Views: 1264
Gmat Prep_01
A certain bank charges a certain maintenance fee on standard checking account each month if the balance falls below $1000 at any time during the month. Did the bank charge a maintenance fee on Sue’s standard checking account last month? (1) At the beginning of last month, Sue’s account balance w...
- by gdk800
Sun Nov 28, 2010 9:58 pm- Forum: Data Sufficiency
- Topic: Gmat Prep_01
- Replies: 2
- Views: 1876
Gmat Prep_02
1) If n denotes a number to the left of 0 on the number line such that square of n is less than 1/100. Then reciprocal of n must be a. Less than -10. b. Between -1 and -1/10. c. Between -1/10 and 0. d. Between 0 and 1/10. e. Greater than 10. OA is A 2) A car averages 25 miles/gallon when driven in c...
- by gdk800
Sun Nov 28, 2010 9:57 pm- Forum: Problem Solving
- Topic: Gmat Prep_02
- Replies: 5
- Views: 1264
pratyoosh wrote: I c. Had got 133.something as the answer, but I choose 134 as it said "maximum number of students" and presumed that since I had the decimals there, that 134 would be the safer bet! Thanks for your help. Pratyoosh, the answer as Shovan described should be 133 and not 134....
- by gdk800
Sun Nov 28, 2010 7:04 pm- Forum: Problem Solving
- Topic: GMAT Prep problem.
- Replies: 8
- Views: 2054
Thanks Shovan,
If we are asked to find 2SD below mean, than also we would find numbers < (Mean - 2SD)?
Yes, B is the correct answer.
- by gdk800
Sun Nov 28, 2010 6:57 pm- Forum: Problem Solving
- Topic: Gmat prep question
- Replies: 4
- Views: 1217
Gmat prep question
Numbers given: 70, 75, 80, 85, 90, 105, 105, 130, 130, 130 The list shown consists of the time it took each of 10 schoolchildren to run a distance of 400 meters. If the Standard Deviation (SD) of 10 running times is 22.4 seconds. How many of the 10 running times are more than 1 SD below the mean of ...
- by gdk800
Sun Nov 28, 2010 9:17 am- Forum: Problem Solving
- Topic: Gmat prep question
- Replies: 4
- Views: 1217