[clearcarbon]

Did them in my head, but not quickly. The trick is to look for look for shortcuts given the choice of answers and good estimating.

[Oshkalaboomboom]

My wife did them in her head and got one wrong. I gave her a pen and paper to write down the one she got wrong and she got it right when she worked it out.

[teeman8r]

Yes, and trust they got them right

[ProtectOurFreedom]

Same. Slowed down on the last one and finally threw in the towel. Got all the others right via “mental math.” None particularly hard.

My daily dose of Alzheimer’s fighting.

[eastexsteve]

Did them in my head, but not quickly. The trick is to look for look for shortcuts given the choice of answers and good estimating.

Yep. I got them all this way. I think that's part of the test.

[sparklite2]

Yup. Figuring what the last digit would be first saved a lot of time.