the length of a rectangular plate is measured by a

the length of a rectangular plate is measured by a metre scale and found to be 10.0 CM its width is measured by vernier calipers as 1.00 CM least count of the metre scale and Vernier calipers 0.1 cm and 0. 01 CM respectively maximum permissible error in the area measured is

(1) +- 0.2 cm^2

(2) +- 0.1 cm^2

(3) +-0.3 cm^2

(4) zero

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  1. when quantities are multiplied , percent errors are added

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