GATE2017 EC-1: GA-10

Question

A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geographical region. Contour lines are shown at $25$ m intervals in this plot.

The path from $P$ to $Q$ is best described by

• A. Up-Down-Up-Down
• B. Down-Up-Down-Up
• C. Down-Up-Down
• D. Up-Down-Up

Comments

This question came in CS too

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@srestha

question is different please see clearly

Answer 1

The line starts from $P$ which is inside $575$ contour line.

Then line crosses the contour lines $575\rightarrow550\rightarrow525\rightarrow500$. Down

Then it crosses the contour lines of $500\rightarrow525\rightarrow550\rightarrow575$ Up

Then it crosses the contour lines $575\rightarrow550$ and then stops at $Q$ which is inside the contour line $525$. Down

$\therefore$ Option C Down up Down is the correct answer.