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

Q: Problem: in what time will a train 50 m long cross an electric pole , it its speed be 360 km / hr ?

A: 0.5
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Q: Problem: a cat chases a rat 6 hours after the rat runs . cat takes 4 hours to reach the rat . if the average speed of the cat is 90 kmph , what s the average speed of the rat ?

A: 36 kmph
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Q: Problem: 3 ltr of water is added with 9 ltr of a solution containing 57 % of alcohol in the water . the % of alcohol in the new mixture is ?

A:
42.75 %
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