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

Q: Problem: a person was asked to subtract 25 % of a number from the original but he subtracted 25 from the number . his answer was 25 more than correct one . what was the original number ?

A: 200
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Q: Problem: if s and t are both odd prime numbers ands < t , then how many different positive integer factors does 2 sthave ?

A: 8
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Q: Problem: 212 : 436 : : 560 : ?

A:
784
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