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A time increased of 3.1 seond is recorde...

A time increased of 3.1 seond is recorded with the help of a stop watch whose least count is 0.1s. The limits between which the time interval lies is

A

`(3.1+- 0.1)` second

B

`(3.100 +- 0.01) `second

C

`(3.100+-0.01)` second

D

`(3.1 +- 0.2)` second

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