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A rod AB is 1m long. The temperature of ...

A rod AB is 1m long. The temperature of its one end A is maintained at `100^(@)`C and other end B at `10^(@)`C, the temperature at a distance of 60 cm from point B is

A

`64^@C`

B

`36^@C`

C

`46^@C`

D

`72^@C`

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