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UKMT Senior Mathematical Challenge, 2022

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

In the number triangle shown, each disc is to be filled with a positive integer. Each disc in the top or middle row contains the number which is the product of the two numbers immediately below. What is the value of $n$ ?

(A) $1$ (B) $2$ (C) $3$ (D) $6$ (E) $33$

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