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tmua.me Medium Set D Paper 1 · Q3

Paper 1Number & counting

Let nn be an integer satisfying 1≤n<2401\leq n<240. The fraction n/240n/240 can sometimes be written as a terminating decimal with exactly three digits after the decimal point, after all trailing zeros have been removed.

What is the sum of all values of nn for which this is possible?

A22802280
B23402340
C24002400
D46804680
E94809480

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