UPSC Prelims 2011 · CSAT

Question 25: Basic Numeracy

Study the following figure : A person goes from A to B always moving to the right or downwards along the lines. How many different routes can he adopt ?

Select the correct answer from the codes given below :

a square grid of two by two cells (three horizontal and three vertical lines) with A marked at the top-left corner and B at the bottom-right corner

UPSC published no Prelims answer keys before 2012.

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Source: UPSC, Civil Services (Preliminary) Examination 2011, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.