During a science experiment at Queenstown Primary School, Ravi uses a measuring cylinder to measure some water. The cylinder is marked with lines at every 50 ml, from 0 ml to 300 ml, and each 50 ml gap is divided into exactly 2 equal smaller divisions throughout the cylinder. The water level is at the 3rd small division above the 200 ml mark. What is the volume of water in the cylinder?
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Worked Solution
Step 1: Identify the gap between two major marks: 250 ml − 200 ml = 50 ml.
Step 2: Count the number of small divisions in that gap: 2 small divisions.
Step 3: Find the value of each small division: 50 ml ÷ 2 = 25 ml per division.
Step 4: The water is at the 3rd small division above 200 ml.
Volume = 200 + (3 × 25) = 200 + 75 = 275 ml.
Answer: The volume of water is 275 ml.
Answer: 275 ml
Correct answer: 275 ml
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