UCEED 2022
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Q1.A solid square pyramid has triangular cut-outs that pass through and through, as shown in the figure. How many surfaces are there in the resultant solid?
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Q3.Question 3
UCEED2022Q2·nat·Hard138 attempts
The figure shows different paths for going from A to B. The directions of the paths are indicated by arrows. No node can be visited twice. What is the total number of different paths to go from A to B?
Keyboards off — use the numpad, just like on exam day.