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Q.

The density of cube is measured by measuring its mass and length of the side . If the maximum errors in the measurement of mass and length are 4% and 1%  respectively, the maximum error in the measurement of density is

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a

7%

b

2%

c

5%

d

1%

answer is D.

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Detailed Solution

ρ=mV=ml3; Δρρ=Δmm+3Δll=5%

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