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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.

Question Posted / kavin


There N stations on a railroad. After adding X stations on the rail route 46 additional tickets ..

Answer / kavin

x=2 and N=11

Let initially, N(N-1) = t

After adding, (N+X)(N+X-1) = t+46

By trail and error method

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