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Q.

If L = (20 ± 0.01)m and B = (10 ± 0.02)m then L/B is

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a

(2 ± 0.03)m

b

(2 ± 0.015)m

c

(2 ± 0.01)m

d

(2 ± 0.005)m

answer is D.

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Detailed Solution

Δxx=ΔLL+ΔBB⇒Δx=xΔLL+ΔBB       =20100.0120+0.0210x±Δx=(2±0.005)m
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