Help with Lockdown decisions...

[pdmjoker]

From an idea seen on Fb.

 

[Twini]

From an idea seen on Fb.

View attachment 47096

STAYING AT HOME!!!!!! Ha ha

 

[Arab Horse]

Whatever number you choose it comes to 9; very clever.

 

[pdmjoker]

Whatever number you choose it comes to 9; very clever.

Yes, but sadly not my idea originally. Reasoning:

Choose n, calculate 3n, then 3n+3. Multiplying by 3 again gives 9n+9, ie a multiple of 9.
Summing the digits of any two-digit multiple of 9 always gives 9.

 

[Robbity]

The ultimate magic number...