Q1 · easy · AI-verified
A square piece of paper is folded in half (left half over right half) and then folded in half again (top half over bottom half). A hole is punched at the center of the resulting folded square. How many holes appear when the paper is completely unfolded?
- 2 holes
- 1 hole
- 8 holes
- 4 holes
Q2 · medium · AI-verified
A square paper is folded three times consecutively, each time halving the paper. The resulting shape is punched with a hole near one corner. What is the maximum possible number of holes that can appear when fully unfolded?
- 16
- 8
- 6
- 4
Q3 · hard · AI-verified
A square paper is folded so the bottom edge meets the top edge (horizontal fold). Then folded again so the right edge meets the left edge (vertical fold). Two holes are punched: one near the top-left corner and one near the bottom-right corner of the folded piece. When unfolded, how many holes are visible?
- 16 holes
- 8 holes
- 2 holes
- 4 holes
Q4 · hard · AI-verified
A square sheet of paper is folded along its diagonal, then the resulting triangle is folded in half again. Two circular holes are punched through all layers near the center. When the paper is completely unfolded, how many holes will be visible?
- 8 holes
- 2 holes
- 6 holes
- 4 holes
Q5 · hard · AI-verified
A square sheet is folded: Step 1 – fold along vertical center (right over left); Step 2 – fold along horizontal center (top over bottom); Step 3 – fold along the diagonal of the resulting square. One hole is punched through all layers. How many holes appear when fully unfolded?
- 8 holes
- 6 holes
- 4 holes
- 16 holes