UCEED 2020

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Q4.Twenty points are arranged on a plane as shown in the figure below. What is the highest number of squares that can be drawn using any four points as corners?

Q6.The image is a ceramic tile of dimension 20 cm x 20 cm. How many distinct patterns can you create by using two such ceramic tiles in a rectangular patch of 40 cm x 20 cm on the wall?

UCEED2020Q5·nat·Hard83 attempts

Area of black surface in the following image is ________ cm². Note: 1. All curves have same radii. 2. Use the value of pi as 22/7

Your answer

Keyboards off — use the numpad, just like on exam day.