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> Logic> Probability (1)> Shapes> General
> Numbers (1)> Games> Paradoxes> Riddles
> Just Math (2)> Science> Algorithms
the first bidecade of numbers (1-20), there are precisely 8 prime numbers (2,3,5,7,11,13,17,19).

Are there other such bidecades with 8 prime numbers?

(No Solution Yet, 1 Comments) Submitted on 2025-03-09 by K Sengupta   
Difficulty: 2 of 5 Bonus: Disappearance (not the answer) (in Riddles) Rating: 4.00
The riddle I tell people is long;

They seem to listen well.

For if it's not listened to by them,

They'll see the things I tell.

This might be one expert jest,

Yet friendly to viewers it is;

In this zippy type of poem

The word I wish for is ...

(Solution Posted, 25 Comments) Submitted on 2004-03-27 by Victor Zapana   
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Recently Posted Solutions:
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