Search found 226 matches
- by ern5231
Sun May 16, 2010 12:21 am- Forum: Problem Solving
- Topic: 38) Calculate least number of recommendations
- Replies: 5
- Views: 1236
16) Find X
X=1/11+1/12+1/13+……+1/20 , what's the value of X ?
How can we quckly approximate the value for such questions?
- by ern5231
Sat May 15, 2010 11:17 pm- Forum: Problem Solving
- Topic: 16) Find X
- Replies: 7
- Views: 2021
11) Calculate dist
A Semicircle is divided into 8 portions and has the points O to W. The semi circle has the length of 1 mile and a man starts at O travelling at 15 mph. In between what points will the man be after 3 minutes?
A. Q to R B. R to S C. S to T D. T to U E. U to V
- by ern5231
Sat May 15, 2010 10:15 pm- Forum: Problem Solving
- Topic: 11) Calculate dist
- Replies: 7
- Views: 1193
- by ern5231
Sat May 15, 2010 8:35 am- Forum: Problem Solving
- Topic: 334)Is sum >10
- Replies: 1
- Views: 873
318) How to get this one?
2x = 3y-5 and y ≠3, then (x-2) / (y-3) =?
the answer to this is 3 / 2. How is this possible to get??
- by ern5231
Sat May 15, 2010 7:01 am- Forum: Problem Solving
- Topic: 318) How to get this one?
- Replies: 2
- Views: 948
309) is slope negative
A line passes through the point (1,P). Is the slope of this line>0?
1) Point (p, 13) lies on the line
2) Ponts (0, 1) lies on the line
- by ern5231
Sat May 15, 2010 6:02 am- Forum: Data Sufficiency
- Topic: 309) is slope negative
- Replies: 2
- Views: 1088
306) PS
a,b are negative and a ^ 2-b ^ 2> 0. Which of the following is true?
I ab> b ^ 2
II ab> 0
III ab> |ab|
- by ern5231
Sat May 15, 2010 5:44 am- Forum: Problem Solving
- Topic: 306) PS
- Replies: 1
- Views: 1000
- by ern5231
Sat May 15, 2010 5:27 am- Forum: Data Sufficiency
- Topic: 305) Divisibility with n
- Replies: 1
- Views: 1028
287 Find angle of triangle
In a triangle PQR, PQ = x, RQ = y and PR = b. The height from PR to Q is h. What is the value of angle PQR?
1) xy = bh
2) angle R = 30 degrees
- by ern5231
Sat May 15, 2010 1:26 am- Forum: Data Sufficiency
- Topic: 287 Find angle of triangle
- Replies: 2
- Views: 922
89) How many factors
The number of factors for 2^n*3^3 and 2^51 are same. find the value of N.
Is there a quick way of soving this?
- by ern5231
Fri May 14, 2010 11:12 pm- Forum: Problem Solving
- Topic: 89) How many factors
- Replies: 3
- Views: 1215
- by ern5231
Fri May 14, 2010 9:19 pm- Forum: Data Sufficiency
- Topic: 261) xy
- Replies: 2
- Views: 1111
257) What is remainder
If n is a positive integer and r is the remainder when (n-1) (n +1) is divided by 24, what is the value of r?
1). N is not divisible by 2
2). N is not divisible by 3
- by ern5231
Fri May 14, 2010 8:31 pm- Forum: Data Sufficiency
- Topic: 257) What is remainder
- Replies: 2
- Views: 1042
251) Permieter
In a triangle, two sides are 5 and 10. What is the perimeter?
1) The perimeter is a multiple of 5 2) The triangle is isosceles
- by ern5231
Fri May 14, 2010 7:55 pm- Forum: Data Sufficiency
- Topic: 251) Permieter
- Replies: 4
- Views: 1245
250) Is the permeter more?
Is the perimeter of the triangle is greater than 18?
1) Two sides are more than 8
2) Two sides are more than 10
- by ern5231
Fri May 14, 2010 7:48 pm- Forum: Data Sufficiency
- Topic: 250) Is the permeter more?
- Replies: 3
- Views: 923
- by ern5231
Fri May 14, 2010 3:26 am- Forum: Data Sufficiency
- Topic: 221) Simple but not getting answer
- Replies: 4
- Views: 1025