IKMC 2027 - Grades 5-6 - Self-study SET 12 - Thematic Batch 3 Question 13

Three identical vessels initially contain equal amounts of water. Two identical grey balls and two identical black balls are distributed among them as illustrated, producing the shown water levels. What was the initial water depth in each vessel?



Use the pictured constant-cross-section vessels, fully submerged balls and no water loss.