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SSC CHSL 2020 PYQ — Question 57

SSC CHSL - 17th October 2020 - Shift 2 • Quantitative Aptitude • Q57

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There are five stations on a railway line. What is the number of different journey tickets that are required for railway authorities?

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Correct answer: D

Explanation

The correct answer is option 4 i.e 20

There are 5 stations and ticket is required to travelling from one station to another station.

So, required number of ticketd = 5C2 × 2 = [(5 × 4)/2] × 2 = 20