# Can someone help me with this? \[puzzle #3\]

**URL:** <https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253>\
**Category:** Mental Calculation, Mathematics, and Puzzles\
**Tags:** puzzles\
**Created:** [September 19, 2021, 3:16am UTC](https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253 "2021-09-19T03:16:44Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![tonyyang](https://forum.artofmemory.com/letter_avatar_proxy/v4/letter/t/f14d63/32.png) [@tonyyang](https://forum.artofmemory.com/u/tonyyang)\
**Post date:** [September 19, 2021, 3:16am UTC](https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253/1 "2021-09-19T03:16:44Z")

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![Screenshot 2021-09-18 at 18.26.20](https://forum.artofmemory.com/uploads/default/original/2X/6/6c151f2cdf08f512e98b130483ffa5f9555a5d08.jpeg)

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**Author:** ![Rajadodve786](https://forum.artofmemory.com/user_avatar/forum.artofmemory.com/rajadodve786/32/32911_2.png) [@Rajadodve786](https://forum.artofmemory.com/u/Rajadodve786)\
**Post date:** [September 19, 2021, 3:20am UTC](https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253/2 "2021-09-19T03:20:05Z")

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I guess the correct answer is 3rd in the First row.

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**Author:** ![albinoblanke](https://forum.artofmemory.com/user_avatar/forum.artofmemory.com/albinoblanke/32/21162_2.png) [@albinoblanke](https://forum.artofmemory.com/u/albinoblanke)\
**Post date:** [September 19, 2021, 7:28am UTC](https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253/3 "2021-09-19T07:28:51Z")

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It’s the third.

The number of corners in the big object determines the number of smaller objects.

So when there is a large square, the number of smaller triangles is 4. When there is a large triangle, the number of smaller squares is 3, etc.

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**Author:** ![Josh](https://forum.artofmemory.com/user_avatar/forum.artofmemory.com/josh/32/21_2.png) [@Josh](https://forum.artofmemory.com/u/Josh)\
**Post date:** [September 23, 2021, 9:16am UTC](https://forum.artofmemory.com/t/can-someone-help-me-with-this-puzzle-3/67253/4 "2021-09-23T09:16:29Z")

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~~I’m going to merge some comments from a separate, duplicate thread into this one.~~

Sorry, I made a mistake. There are three similar posts with the same title, so I moved the other comments back. The other two are here:

- [Can someone help me with this? [puzzle #1]](https://forum.artofmemory.com/t/can-someone-help-me-with-this/67264)
- [Can someone help me with this? [puzzle #2]](https://forum.artofmemory.com/t/can-someone-help-me-with-this/67266)