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treker
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3
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cubned ical box

Forum:
Problem Solving
Posted:
Wed Jul 27, 2011 7:15 am
The interiors of a cubical box are designed to hold a volume of V ml. If the length, breadth, and height are in ratio 5:1:3, in terms of V which of the following equals the height of the box in cm?
...
treker
Replies:
3
Views:
869
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0

cubned ical box

Forum:
Problem Solving
Posted:
Tue Jul 26, 2011 9:51 am
The interiors of a cubical box are designed to hold a volume of V ml. If the length, breadth, and height are in ratio 5:1:3, in terms of V which of the following equals the height of the box in cm?
...
treker
Replies:
0
Views:
649
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0

Polygons

Forum:
Problem Solving
Posted:
Tue Jul 26, 2011 9:46 am
For how many regular polygons does any interior angle exceed exterior angle of the polygon and the difference is an integer?
A. 5 B. 18 C. 22 D. 26 E. 30
treker
Replies:
1
Views:
630
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0

Co-ordinate Geometry

Forum:
Data Sufficiency
Posted:
Tue Jul 26, 2011 9:43 am
Line m passes through the point (2,2) and Line n passes through the point (-2,2). Are the two lines perpendicular to each other?

1. The two lines meet each other at (0,4)
2. The two lines are equi ...
treker
Replies:
1
Views:
720
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0

Circle Question

Forum:
Data Sufficiency
Posted:
Tue Jul 26, 2011 9:40 am
A circle with radius r has a chord PQ of length L. Is the circumference of circle greater than 2(2r+L)
1. Chord is less than half the diameter of the circle
2. The chord is perpendicular to the diam ...
treker
Replies:
1
Views:
668
Thanks:
0

CI/SI

Forum:
Data Sufficiency
Posted:
Sun Jul 03, 2011 4:12 am
After a period of 3 years, how much greater is the interest income on $5,000 invested in investment A, which yields X percent interest compounded annually, than on the same amount invested in investme ... treker Replies: 4 Views: 808 Thanks: 1 Probability Query Forum: Problem Solving Posted: Thu Jun 30, 2011 7:11 pm Hi, Probability that each each question is correct is 1/2. So, probability of gettign all 'n' questions correct is (1/2)^n So, (1/2)^n < 1000 => 2^n > 1000 2^10 = 1024 So, n >= 10 ... treker Replies: 5 Views: 784 Thanks: 0 Investment, XY plane Forum: Data Sufficiency Posted: Tue Jun 21, 2011 5:38 am DS 3 a xr/100 = (24000-x)*7/100 two variables x and r. not sufficient. b x*5/100 = (24000-x)*7/100 only one variable x. sufficient. B it is. For DS 3, Ans is C and not B. Without stmt 1 ... treker Replies: 6 Views: 788 Thanks: 0 Chairs, Intergers Forum: Data Sufficiency Posted: Tue Jun 21, 2011 5:25 am In the second question, Can someone explain as to how we could deduce(from 1 and 2) that all elements in the list are either positive or negative? Thanks. treker Replies: 2 Views: 797 Thanks: 0 Mobile phones Forum: Data Sufficiency Posted: Sun Jun 19, 2011 7:24 pm 2003 2004 Model A 190 175 Model B 200 205 Model C 210 220 The table above shows quantities for various models of mobile phones sold by a retailer. Assuming prices did not cha ... treker Replies: 3 Views: 975 Thanks: 0 In a small snack shop....... Forum: Problem Solving Posted: Thu Oct 07, 2010 12:02 am Answer is D Total revenue over the 10 day period: 400 * 10 = 4000 Total rev for first 6 days: 360*6 = 2160 Total revenue for the next 4 days = 4000 -2160 = 1840 Therefore, Avg revenue for the ... treker Replies: 1 Views: 817 Thanks: 0 What does which refer to? Forum: Sentence Correction Posted: Sat Jun 26, 2010 7:15 pm The frost particles on the windshield of Mr. James' car, which caused him a fifteen-minute delay to remove them, had formed when moisture condensed during the night. In the question above, what doe ... treker Replies: 8 Views: 2469 Thanks: 0 Q30 Forum: Critical Reasoning Posted: Tue Apr 13, 2010 3:24 am Q30: The percentage of households with an annual income of more than$40,000 is higher in
Merton county than in any other county. However, the percentage of households with an
annual income of \$ ...
treker
Replies:
10
Views:
1354
Thanks:
0

Equal sums

Forum:
Problem Solving
Posted:
Thu Apr 08, 2010 3:21 am
In D sum of every 10 consecutive integers ends with 5 (as the unit digit). and sum of every 4 consecutive integers ends with an even digit

x +ve integers - let the first digit be n
y + ve integ ...
treker
Replies:
4
Views:
2476
Thanks:
0

Average Question. Really need Help..

Forum:
Problem Solving
Posted:
Tue Apr 06, 2010 4:43 pm
Ok, I'll do my best to make this legible.

(27 - x) + (x - 8) + (3x + 11) = 3y --> 3x + 30 = 3y --> y = x + 10

2(x + 10) + 2/3(x + 10) = --> 2x + 20 + 2/3x + 20/3 = --> 8x/3 + 80/3 ...
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