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A pendulum clock is 5 sec. Slow at a te...

A pendulum clock is 5 sec. Slow at a temperature `30^(@)C` and `10` sec. fast at a temperature of `15^(@)C`, At what temperature does it give the correct time-

A

`18^(@) C`

B

`20^(@) C`

C

`22^(@) C`

D

`25^(@) C`

Text Solution

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The correct Answer is:
B
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