The task is to generate the correct answer for a given math problem.

Q: Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?

A: 152409600
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Q: Problem: one half of a two digit number exceeds its one third by 7 . what is the sum of the digits of the number ?

A: e ) 1
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Q: Problem: a patient is given exactly 750 milliliters of a mixture of two medications daily . medication a contains 40 % pain killer and medication b contains 20 % pain killer . if the patient receives exactly 215 milliliters of pain killer daily , how many milliliters of medication b are in the mixture ?

A:
425
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