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GMAT prep, can u tell me a faster method to solve this prob
If X and Y are integers greater than 1, is X amultiple of Y?
1)3Y^2+7Y=X
2)X^2 - X is a multiple of Y
- by sumatitandon
Sat Jan 10, 2009 4:32 am- Forum: Data Sufficiency
- Topic: GMAT prep, can u tell me a faster method to solve this prob
- Replies: 2
- Views: 1185
GMAT prep
IF N and Y are positive integers and 450Y=N^3, which of the following is a integer
1)Y/ 3*2^2*5
2)Y/3^2*2*5
3)Y/3*2*5^2
- by sumatitandon
Sat Jan 10, 2009 4:25 am- Forum: Problem Solving
- Topic: GMAT prep
- Replies: 2
- Views: 1464
GMAT prep
The number of stamps that K and a had were in the ratio 5:3 respectively. After K gave A 10 of her stamps , the ratio of the number K had to the nuber of stamps A had was in the ratio 7:5. as aresult of this gift, K had how many more stamps than A?
20, 30, 40, 60, 90
- by sumatitandon
Sat Jan 10, 2009 4:22 am- Forum: Problem Solving
- Topic: GMAT prep
- Replies: 8
- Views: 1994
i m sorry.... stat 2 states lest common multiple.....
but why statement 2 is not sufficent ., i have tried other numbers also for ex: 3 and 10 the remainder is 1 again , so i feel that since remainder is 1 can't we conclude that r is not greater than 1 , pls explain where i m wrong......
- by sumatitandon
Fri Jan 09, 2009 6:21 pm- Forum: Data Sufficiency
- Topic: GMATprep problem
- Replies: 9
- Views: 1838
- by sumatitandon
Fri Jan 09, 2009 6:17 pm- Forum: Data Sufficiency
- Topic: GMAT prep problem
- Replies: 5
- Views: 1686
GMAT prep problem
Is the measure of one of the interior angles of quadilateral ABCD equal to 60 degrees?
1) Two of the interior angles of ABCD are right angles
2)The degree of measure of angle ABC is twice the degree of measure of angle BCD
- by sumatitandon
Fri Jan 09, 2009 3:08 am- Forum: Data Sufficiency
- Topic: GMAT prep problem
- Replies: 5
- Views: 1686
GMATprep problem
The integers m and p are such that 2 < m< p , and m is not a factor of p, if r is the remainder , when p is divided by m , is r > 1?
1) The greatest common factor of m and p is 2
2) the least common factor of m and p is 30
- by sumatitandon
Fri Jan 09, 2009 3:05 am- Forum: Data Sufficiency
- Topic: GMATprep problem
- Replies: 9
- Views: 1838
GMAT prep problem
If each term in the sum of a1+ a2...........+aN is either 7 or 77 and the sum eguals 350 , which of the following could be equal to N
a) 38
b)39
c) 40
d)41
e) 42
- by sumatitandon
Fri Jan 09, 2009 3:00 am- Forum: Problem Solving
- Topic: GMAT prep problem
- Replies: 3
- Views: 1483
GMAT prep problem
If x^4 + y^4=100, then the greatest possible value of x is between:
a) 0 and 3
b) 3 and 6
c) 6 and 9
d) 9 and 12
e) 12 and 15
- by sumatitandon
Fri Jan 09, 2009 2:57 am- Forum: Problem Solving
- Topic: GMAT prep problem
- Replies: 2
- Views: 1224
Pls help, GMATprep problem
If two of the four expressions (x+y),(x+5y),(x-y),(5x-y) are chosen at random, what is the probability that their product will be of the form X^2 -(by)^2, where b is an integer.
a) 1/2
b) 1/3
c) 1/4
d) 1/5
e) 1/6
- by sumatitandon
Fri Jan 09, 2009 2:53 am- Forum: Problem Solving
- Topic: Pls help, GMATprep problem
- Replies: 3
- Views: 1990
- by sumatitandon
Fri Jan 02, 2009 7:13 pm- Forum: Problem Solving
- Topic: Equilateral triangle ABC is inscribed in a circle
- Replies: 6
- Views: 14814
- by sumatitandon
Sat Dec 27, 2008 11:48 pm- Forum: Data Sufficiency
- Topic: Triange in triangle
- Replies: 11
- Views: 2531
Why?,,ans is not C
from both 1 & 2 we know that no. lies b/w 0.26 to 0.32 and in all these cases the tenth dight is 3
- by sumatitandon
Thu Dec 25, 2008 10:47 pm- Forum: Data Sufficiency
- Topic: OG#2
- Replies: 6
- Views: 1734