PSLE Math 2022 Paper 2 Question 14
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(Volume and Height of Tank X and Tank Y Question)
PSLE Math 2022 Paper 2 Question 14
a) Ans: 7200cm^3
1/5 of water in X -> 15 x 12 x 8 = 1440
Water in X -> 1440 x 5 = 7200
b) Ans: 32cm
Water in Y (at first) -> 15 x 12 x 14 = 2520
Total water -> 2520 + 7200 = 9720
Vol of X -> 9720 – 120 = 9600
Height of X -> 9600 ÷ (20 x 15) = 32
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