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There are 5 figures shown on the top With their code written at the bottom of each figure, We need to find the code for fig.1

Source: UCEED 2016 question paper (entrance exam for design colleges in India)

The answer is B. Can someone please explain the logic behind it?

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Each of the symbols in the provided strings

encodes a property of the corresponding figure:
Sun: contains a rounded box
Drop: contains multiple filled circles (?)
Knot: contains five objects
Zigzags: contains four objects that aren't shapes (?)
Yin-Yang: contains a triangle
X in Box: contains no empty shapes
Since Fig. 1 doesn't have a rounded box, the answer is either B or D, and since Fig. 1 has more than five objects, D is out.
(Justifying that B is correct requires a strict definition of "shape" as either a circle, rounded box, or regular polygon, else the four lines could instead be two 45-45-90 triangles.)

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  • $\begingroup$ Actually, only the knot is necessary to know it's answer B ;) $\endgroup$
    – Lezzup
    Sep 3 at 15:59
  • $\begingroup$ Got it, Thanks! $\endgroup$
    – Sumeet Redhu
    Sep 3 at 17:34
  • $\begingroup$ @Lezzup I didn't figure out what Knot represented until I was just about finished writing this answer, so my initial solve path was "Zigzag-and-not-Sun". $\endgroup$
    – AxiomaticSystem
    Sep 3 at 17:41
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    $\begingroup$ I had zig-zag: contains parallel lines. $\endgroup$
    – Florian F
    Sep 3 at 18:17
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    $\begingroup$ @FlorianF I follow you in eliminating A and C, but the knot is exactly as "almost everywhere" as the zig-zag is, so we have to puzzle out what at least one of those symbols means to make the decision between B and D. $\endgroup$
    – Misha Lavrov
    Sep 4 at 0:47

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