The product of three daughters' ages is 36. The sum equals the house number, but that's not enough to know the ages. Then you learn 'the oldest loves chocolate.' What are their ages?
Hint: Only two combinations share a sum.
9, 2 and 2.
Of the age sets with product 36, only 2+2+9 and 1+6+6 share the sum 13. 'The oldest' implies a single oldest child, which rules out 6, 6, 1.
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