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View Full Version : How many balls can you see?



Bob Bacon
27-10-2021, 11:00
Can you guess the correct number of balls in this puzzle image?

The image is in 3D shape, and as you can see the balls are in a Pyramid Shape structure. The pyramid needs to be stable, so there are Hidden Balls in it.

https://rwf-forum.co.uk/vBulletin/attachment.php?attachmentid=7774&stc=1

Derek Adams
27-10-2021, 12:51
19?

pete d
27-10-2021, 13:23
23?

Reg Rundle
27-10-2021, 14:40
30

jones20
27-10-2021, 14:59
30

Bob Bacon
28-10-2021, 09:59
The image is in 3D shape, and as you can see the balls is in Pyramid Shape structure. The pyramid needs to be stable, so there are Hidden Balls in it.

Therefore Pyramid with a square base

⇒ 4*4 Base level = 16
⇒ First level = 9
⇒ Second level = 4
⇒ Top = 1
Total number of Balls = 16 + 9 + 4 + 1 = 30 Correct Answer


Wrong Solution


For people, who consider these Balls Pyramid with the triangular base and get 20 as an answer are wrong. Because it’s clearly not a triangular base pyramid.

DAVE BRAGG
04-11-2021, 11:38
Can see ? - 16

John Turner
04-11-2021, 20:53
What keeps it together?