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Q3.A square paper of side 10 cm is folded sequentially and a circular cut of radius 1 cm is made at the corners as shown below. After unfolding the sheet completely, what will be the total area of all the pieces which have been cut-out from the original square sheet? Assume the value of π = 3.14.
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Q5.How many spheres are rotating in the space shown below? [This question contains an animated GIF image.]
CEED2026Q4·nat·Medium
How many unique patterns are there in the image?

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