Ben has three daughters. Paul, a neighbour, asks how old they are. Ben replies as following.
– The product of their age is 36.
– The sum of their ages is equal to my house number.
Upon hearing this, Paul is still unable to determine the 3 daughter’s age.
Which information would help Paul conclusively determine the 3 daughter’s age?
a. Two of them are twins
b. Neither of them are twins
c. The eldest is blonde
d. The 3 are below 10 years
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