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to find the no. of stations and tickets
There N stations on a railroad. After adding X stations on the rail route 46 additional tickets have to be printed. Find N and X.


  
Total Answers and Comments: 1 Last Update: June 08, 2008     Asked by: neepabiswas 
  
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June 07, 2008 15:07:25   #1  
bijeshcnair Member Since: June 2008   Contribution: 2    

RE: to find the no. of stations and tickets ;n=22 and x=2;
If there are n stations, n(n-1) tickets should be printed,
x stations cmes additional..
from n stations tickets to x stations n*x   eq--(1)
from x stations x(x-1) tickets,,
therfor x(x-1)+n*x=46;
x^2+x(n-1)-46=0;
if this equatio has to be satisfied...
(n-1)=21..
23-2=21;(23*2=46);
n-1=21;
n=22;
solving the equation will give you x=2;
n=22 and x=2;  check with the question also. with 22 stations. 2 new stations added. 22*2=44 new tickets +2 new tickets for each of the new stations..

 
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There N stations on a railroad. After adding X stations on the rail route 46 additional tickets have to be printed. Find N and X.  
Latest Answer : If there are n stations, n(n-1) tickets should be printed,x stations cmes additional..from n stations tickets to x stations n*x   eq--(1)from x stations x(x-1) tickets,,therfor x(x-1)+n*x=46;x^2+x(n-1)-46=0;if this equatio has to be satisfied...(n-1)=21..23-2=21;(23*2=46);n-1=21;n=22;solving ...


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