The letter-product of a number is obtained by multiplying the number by the number of letters in the corresponding word. For example, the letter-product of 5 is 20, since there are 4 letters in the word ‘five’ and .
Which of the following has the largest letter-product?
Select one option, then click Submit.
6
7
8
9
10
Select an option, then submit.
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Intermediate Mathematical Challenge 2002 (2002)
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