Search found 50 matches
ds:stats
Each employee on a ceartin task force is either a manager or a director.What percent of the employees on the task force are directors? 1)The average salary of the managers of the task force is $5000 less than the average salary of all the employee on the task force. 2)The average salary of the direc...
- by arjunshn
Wed Apr 27, 2011 10:09 pm- Forum: Data Sufficiency
- Topic: ds:stats
- Replies: 1
- Views: 908
ps:misc
A certain city with population 132000 is to be divided into 11 districts and no district is to have a population that is more than 10% greater than the population of any district.What is the minimum possible population that the least populated district could have? a-10700 b-10800 c-10900 d-11000 e-1...
- by arjunshn
Wed Apr 27, 2011 4:25 am- Forum: Problem Solving
- Topic: ps:misc
- Replies: 3
- Views: 1222
ps:functions
For which of the following function f(a+b)=f(a)+f(b) for all positive numbers a and b?
f(x)=x^2
f(x)=x+1
f(x)=rootx
f(x)=2/x
f(x)=-3x
- by arjunshn
Wed Apr 27, 2011 3:31 am- Forum: Problem Solving
- Topic: ps:functions
- Replies: 2
- Views: 1069
- by arjunshn
Tue Apr 26, 2011 4:37 am- Forum: Problem Solving
- Topic: ps:pnc
- Replies: 7
- Views: 2941
- by arjunshn
Tue Apr 26, 2011 3:34 am- Forum: Problem Solving
- Topic: ps:pnc
- Replies: 7
- Views: 2941
ps:pnc
How many 4 digit integers can be formed from 1-9 numbers such that two digits have the same value and the other two have the same value but different from the first two?
ans-216
can someone explain hw..i am getting 432= 72*4!/2!*2!
- by arjunshn
Fri Apr 22, 2011 2:16 am- Forum: Problem Solving
- Topic: ps:pnc
- Replies: 6
- Views: 1192
- by arjunshn
Fri Apr 22, 2011 1:31 am- Forum: Problem Solving
- Topic: ps:geometery
- Replies: 5
- Views: 3179
ps:geometery
In a rectangular room which is 20 metres long and 24 wide, square tiles of equal size needs to be placed on the floor in such a way that the entire floor area is covered without breaking any of the tiles.What is the minimum number of square tiles required to cover the entire floor area.
- by arjunshn
Fri Apr 22, 2011 12:53 am- Forum: Problem Solving
- Topic: ps:geometery
- Replies: 5
- Views: 3179
ps:stats
A List of positive integers is arranged in ascending order such that the 19th number in the series represents the median of the series. If the sum of all the numbers in the series is 222, what is the average of the given list?
- by arjunshn
Fri Apr 22, 2011 12:53 am- Forum: Problem Solving
- Topic: ps:stats
- Replies: 4
- Views: 1501
- by arjunshn
Fri Apr 22, 2011 12:52 am- Forum: Data Sufficiency
- Topic: ds:inequality
- Replies: 2
- Views: 963
ds:numbers
On Christmas, a class teacher gave a gift pack to each student present in a class. Each pack had x chocolates,y biscuits and z toffes. How many students were there in the class? (1) Each student received chocolates, biscuits and toffees in the ratio 1:2:4. (2) The class teacher distributed a total o...
- by arjunshn
Fri Apr 22, 2011 12:52 am- Forum: Data Sufficiency
- Topic: ds:numbers
- Replies: 2
- Views: 1453
thank you
i was doing it this way
10c1*9c2
i din realise that we have to choose from only the 8 candidates who are eligible.
- by arjunshn
Tue Apr 19, 2011 1:05 am- Forum: Problem Solving
- Topic: ps:pnc
- Replies: 5
- Views: 2668
- by arjunshn
Tue Apr 19, 2011 12:43 am- Forum: Data Sufficiency
- Topic: ds:numbers3
- Replies: 3
- Views: 1711
ds:numbers3
When 10x + 2 is divided by 6, the remainder is Y. What is the value of Y if x is a positive integer.
(1) When x is divided by 3, the remainder is 0.
(2) When x is divided by 5, the remainder is 0.
- by arjunshn
Tue Apr 19, 2011 12:27 am- Forum: Data Sufficiency
- Topic: ds:numbers3
- Replies: 3
- Views: 1711
ps:pnc
In a certain company the board of directors has been given the responsibility to nominate 3 key positions (one director and two identical positions in the senior management).The board will select 1 of 10 candidates eligible to fill the position of director and 2 of 8 candidates eligible to fill 2 id...
- by arjunshn
Tue Apr 19, 2011 12:13 am- Forum: Problem Solving
- Topic: ps:pnc
- Replies: 5
- Views: 2668