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Percentage error in density from the percentage errors in mass and length

The same question, asked 3 times: 20 Apr 2025 S2*, 26 Apr 2025 S1, 16 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    20 Apr 2025 S2

    4
    The density of a cube is measured by measuring its mass and length of its sides. The % error in the measurement of mass and length are 5%5\% and 6%6\% respectively. The percentage error in the measurement of density is

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  2. Question 2

    26 Apr 2025 S1

    39
    The error in the measurement of length and mass is 3%3\% and 4%4\% respectively. The error in the measurement of density will be

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  3. Question 3

    16 Apr 2026 S2

    101
    The error in the measurement of length and mass of a cube is 3% and 4% respectively. The error in the measurement of its density will be

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