Search found 5 matches
question
If m and n are positive integers such that m is a factor of n, how many positive multiples of m are less than or equal to 2n? (2m/n)+1 (2n/m)+1 2n/(m+1) 2m/n 2n/m I found this explaination on forum : We are told in the question ...m is a factor of n... So lets choose m to be 2 and n to be 6 because ...
- by ashishsj
Sat Mar 07, 2009 9:49 am- Forum: Problem Solving
- Topic: question
- Replies: 3
- Views: 1399
The actual question is:
From a group of 3 boys & 3 girls, 4 children are to be randomly selected. What's the probabilty that equal numbers of boys & grils will be selected?
Ans: 3/5
- by ashishsj
Wed Feb 25, 2009 8:35 am- Forum: Problem Solving
- Topic: GMAT Pre Questions ---Probability
- Replies: 5
- Views: 4585
Why?
Because problem states that 4 children have to be selected!peddisetty wrote:Why cant we pick 3 boys 3 girls and 1 boy 1 girl ?
Why is it only two 2 boys and 2 girsl?.
In the question it is asked, equal no of boys and equal no of girls.
Please somebody clarify.
Thanks.
- by ashishsj
Wed Feb 25, 2009 8:34 am- Forum: Problem Solving
- Topic: Probability Question
- Replies: 17
- Views: 4232
absolute value question
Which sets includes ALL of the solutions of x that will satisfy the eqn: |x-2|-|x-3|=|x-5|
A. (-6, -5, 0 1 7 8 )
B. (-4 -2 0 10/3 4 5)
C. (-4 0 1 4 5 6)
D. (-1 10/3 3 5 6 8)
E. (-2 -1 1 3 4 5)
oA: C
- by ashishsj
Thu Feb 19, 2009 5:36 pm- Forum: Problem Solving
- Topic: absolute value question
- Replies: 6
- Views: 2115
What are the coordinates of point B in the xy-plane above ?
10. What are the coordinates of point B in the xy-plane above ?
(A) (6, 12)
(B) (6, 28)
(C) (8, 20)
(D) (12, 20)
(E) (14, 28)
Can anybody help?
- by ashishsj
Mon Feb 02, 2009 6:01 pm- Forum: Problem Solving
- Topic: What are the coordinates of point B in the xy-plane above ?
- Replies: 7
- Views: 5818