A teacher was traveling with his students from one city to another. As they traveled, they happened to pass by a lake. The teacher asked one of his students to go to the lake to fetch him some water to drink. On reaching the lake, the student realized that the water was very muddy and unfit for drinking.
He came back and reported to the teacher that the water was not safe for consumption. The teacher thought for a moment and asked the students to rest by a tree for a while. After several hours, the teacher asked the same student to go back to the lake and bring back some water. When the student reached the lake, he found that the mud had settled, and the water above it was fit for drinking. He fetched some and took it back to his teacher.
The teacher took advantage of the…
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