If length and breadth of a plane are (40...

If length and breadth of a plane are `(40 + 0.2)` and `(30 +- 0.1)` cm, the absolute error in measurement of area is

`10 cm^(2)`

`8 cm^(2)`

`9 cm^(2)`

`7 cm^(2)`

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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -2

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