Latest Elitmus Aptitude Question SOLUTION: In 2014 there are n number of people who register on elitmus site...out of which 45% are from north and 55% are from south...Now elitmus has made a google docs page which gives inf

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(#M40037635) ELITMUS Category question Keep an EYE

In 2014 there are n number of people who register on elitmus site...out of which 45% are from north and 55% are from south...Now elitmus has made a google docs page which gives information about company. The number of people who register first and then connected to group are 60% from north and 30% from south...after doing this all... the difference in north and south connected to google docs is 9555...find how many are docs there in starting....!! who registered them self to elitmus..!!

//Quiet easy 1.

A. 100000
B.95000
C.91000
D.Cant determine.

Asked In Elitmus dhairya mukheja (9 years ago)

Unsolved Read Solution (3)

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Sujata Sinha  (9 years ago)

C.

Registered people are : (45/100)*n from north and (55/100)*n from south.
People connected to google docs are:
(60/100)*(45/100)*n from north and (30/100)*(55/100)*n from south.
Now,according to the sum,
(60/100)*(45/100)*n - (30/100)*(55/100)*n = 9555
or,n=91000.

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aditi bose  (9 years ago)

ans is C 91000.


north= 60 percent of 45 percent of n=(60/100)*(45/100)*n
similarly south= (30/100)*(55/100)*n
now north - south = 9555
solving which n= 91000.

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Navpreet Singh  (9 years ago)

let the total number of student=n
North people=0.45n
South People=0.55n
Gogle Connected..
North=0.60(0.45)n
South=0.30(0.55)n
diffrence=0.60(0.45)n-0.30(0.55)n=9555
0.27n-0.165n=9555
0.105n=9555
n=91000
c is ans

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