Question
PSLE
Two rectangular tanks are shown. Tank X contained water to half its height. All the water from Tank X was poured into Tank Y without spilling. What was the height of the water level in Tank Y?
3 m

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PSLE
Two rectangular tanks are shown. Tank X contained water to half its height. All the water from Tank X was poured into Tank Y without spilling. What was the height of the water level in Tank Y?