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NEET 2019 Physics question

PhysicsUnits and MeasurementNEET 2019

In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. Then the maximum percentage of error in the measurement X, where , will be :

Answer: (2)

Solution

For a quantity of the form the maximum fractional error is (errors always add,

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Question ID VK-092418