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13 x 15 = 195 . . . too small

15 x 17 = 255 . . . too big

There are none.

The best we can do for you is: (14 x 16) = 224 .

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For the advanced student:

If you work it from the generic form of two consecutive odd numbers,

then you would say

(2x - 1) (2x + 1) = 225

Whence . . . (4x2 - 1) = 225 . . . 4x2=226 . . . x2=56.5 . . . x=sqrt(56.5)

The two numbers are 14.0333 and 16.0333 . (rounded)

A truly revolting development. Although their product is nice and close to 225,

there's no way you could pass them off as odd integers.

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Q: What are two consecutive odd integers that multiply up to 225?
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