self Maths Puzzle

Milk is available in two vessels. The ratio of milk to water in each of the vessels is 9 : 7 and 11 : 8 respectively. Which vessel contains more water?

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self Other Question

At what rate will the interest on Rs. 1125/- be Rs. 225 for 4 years? Two taps A & B can fill a cistern in 12 and 16 minutes respectively. Both fill taps are opened together, but 4 minutes before cistern is full, one tap A is closed. How much time will the cistern take to fill?