Beach Day by Rodger Bliss
October 2022
S M T W T F S
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2345678
9101112131415
16171819202122
23242526272829
3031  

Missing Digits

Find the missing number, and explain why.

25         49            121

5            7               ?

15          13            9

20         20             20

 

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2 guesses to Missing Digits


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  • Vandal

    11. Square root of 25 is 5, of 49 is 7, and of 121 is 11. Also, 5+15=20, 7+13=20, and 11+9=20.

  • Dude

    Correct Vandal.

    You are today’s winner.