Search found 49 matches
Multiple of both 2 and 8
If one number is chosen at random from the first 1000 positive integers what is the probability that the number chosen is a multiple of both 2 and 8?
A) 1/125
B) 1/8
C) 1/2
D)9/16
E)5/8
- by ramyaravindran
Thu Apr 15, 2010 10:38 am- Forum: Problem Solving
- Topic: Multiple of both 2 and 8
- Replies: 3
- Views: 1256
kstv..I do not follow your explanation about how a triangle can be formed. Is there any way you can explain this via a graph?
Thanks
- by ramyaravindran
Sun Mar 14, 2010 12:08 pm- Forum: Problem Solving
- Topic: Find the area
- Replies: 3
- Views: 1057
Find the area
Line A has endpoints (2,2) and (2,-3)
Line B has endpoints (3,1) and (-3,-1)
Line C has endpoints (42,0) and (-100,0)
What is the area of the shape that is bounded by lines A,B and C. I do not have an OA. Can someone help with this.
- by ramyaravindran
Sun Mar 14, 2010 7:43 am- Forum: Problem Solving
- Topic: Find the area
- Replies: 3
- Views: 1057
Integers that lie on a circle
How can I solve this?. Don't have a OA.
A circle has radius of 5.How many points of the form (x,y) lie in the x-y plane where x and y are both integers that lie on the circle.
- by ramyaravindran
Sun Mar 14, 2010 7:40 am- Forum: Problem Solving
- Topic: Integers that lie on a circle
- Replies: 8
- Views: 1445
quick comparison
This may be a simple concept but it is eluding me now. How can you quickly estimate if sqrt(78*79*80*81) is greater than or less than 6400?
- by ramyaravindran
Tue Mar 09, 2010 12:02 pm- Forum: Problem Solving
- Topic: quick comparison
- Replies: 3
- Views: 1033
how many points
Need help with this question
A line connects points A ( 1,1) and B ( 100,1000). How many other points with integer coordinates are on the line between A and B?
A. 0 B. 2 C. 3 D. 8 E. 9
Answer is D
- by ramyaravindran
Tue Mar 09, 2010 11:30 am- Forum: Problem Solving
- Topic: how many points
- Replies: 5
- Views: 1818
- by ramyaravindran
Mon Mar 08, 2010 1:54 pm- Forum: Problem Solving
- Topic: How to solve this?
- Replies: 6
- Views: 1206
I thought that they are asking for the number of all possible words that could appear after the word "AFTER" in the dictionary using letters A,F,T,E,R. The word should atleast be more than 2 characters in length. Let me know if this helps.
- by ramyaravindran
Mon Mar 08, 2010 10:35 am- Forum: Problem Solving
- Topic: How to solve this?
- Replies: 6
- Views: 1206
So you are saying 2^90 > 2^15 * 5 ^15. How did you deduce that 2^75 does not satisfy the above inequality..How did you evaluate 2^75 < 2^15*5^15...Can someone provide a better explanation of how to compare numbers like these.
- by ramyaravindran
Mon Mar 08, 2010 6:40 am- Forum: Problem Solving
- Topic: find the value of n
- Replies: 11
- Views: 3400
find the value of n
If 2^n > 10^15 then what is the minimum value of n at which the equality holds.
A. 30
B. 45
C. 60
D. 75
E. 90
- by ramyaravindran
Mon Mar 08, 2010 5:56 am- Forum: Problem Solving
- Topic: find the value of n
- Replies: 11
- Views: 3400
How to solve this?
If the letters of the word A, F, T, E, R are permuted and arranged in a dictionary form like after, then for some (n > 2) how many other possible ways are there?
A. 119
B. 117
C. 88
Source is TestMagic. I dont have the OA
- by ramyaravindran
Mon Mar 08, 2010 5:51 am- Forum: Problem Solving
- Topic: How to solve this?
- Replies: 6
- Views: 1206
find the value
Can somebody help with this one? I don't have a OA.
Given a series f1, f2, f3.................. with f5 = 39 & f8 = 70. If the terms from f3 is sum of the preceeding two terms, then what is the valueof f9?
- by ramyaravindran
Mon Mar 08, 2010 5:46 am- Forum: Problem Solving
- Topic: find the value
- Replies: 1
- Views: 827
Distribution Numbers
Given that there was about 8500 distribution numbers. If the score of 26.7 was 35th percentile and 37.1 was 50th percentile, then how many distribution parameter numbers accounted for about 50 percentile of the distribution? http://www.urch.com/forums/gre-math/101830-visual-gre-stuff.html Not sure a...
- by ramyaravindran
Mon Mar 01, 2010 6:12 am- Forum: Problem Solving
- Topic: Distribution Numbers
- Replies: 1
- Views: 1361
- by ramyaravindran
Sun Feb 28, 2010 10:48 am- Forum: Problem Solving
- Topic: Triangle -
- Replies: 3
- Views: 1302
Triangle -
The question is
I. x-p = q-y
II.x+p = 90
III.y=q
A. I only
B. II only
C. I and III
D. II and III
E.I,II and III
Can someone explain. I do not have the OA.
Thanks
- by ramyaravindran
Sun Feb 28, 2010 9:22 am- Forum: Problem Solving
- Topic: Triangle -
- Replies: 3
- Views: 1302