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The percentage errors in the measurement of the length (L) and breadth (B) of a rectangle are 1% and b% respectively . Then the percentage error in the calculation of the area will be `"_______"`
A. `(lb)%`
B. `(1+b)%`
C. `(L+1)(B+b)`
D. `Lb+BL`

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Correct Answer - B
Errors are additive hence percentage error in area = `(a% + b%)`

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