St Ives - Brainteaser

[Professor Dan K.]

ok try this


Monique is 24 years old.

She is twice the age that Valerie had when Monique was the same age that Valerie is now.

Question : How old is Valerie?

Ok right...

Monique is 24...

Valerie is 18...

I dont know how it works out though Lmao im not even sure if it does that one just confuses me ok the next one will make more sense lol.

this one cant work out with the answers you gave us.

first, if monique is 24...

if we know vallery is 18 from your answer, then that would mean that when monique was her age, 18, then valerie would be 9 because monique was twice her age, at her age.
so they would be 9 years apart.
if shes 24 then valerie would have to be 15.

i dunno what the real answer is but its not 18. i think it could be a variety of answers. if i can focus enough ill come up with it in mathematical terms, but its really hard