Friday, 21 October 2011

P & C -4 (CSAT-2011)

There are four routes to travel from city A to city B and six routes from city B to city C. How many routes are possible to travel from city A to city C?
(A) 24
(B) 12
(C) 10
(D) 8
Solution follows here:


This is a straight forward Q.

Fundamental theorem says “If one thing can be done in m ways and another in n ways, then both can be done one after other in m*n ways”.

Total possible routes possible to travel from A to C = 4 * 6 = 24
Answer (A)

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