Two students ordered tea in a restaurant and wanted for a friend who was to join them shortly. One of them poured hot tea in his cup and mixed cold milk in it and the other poured hot tea but mixed the cold milk only after the friend came after five minutes. Now the temperature of the cup of tea of the

Second student is higher

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Both student is same

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First student is higher

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First student is less by 20 C that of the second student

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Solution

The correct option is C First student is higher
The student one poured tea just after getting it in cold milk has relatively more temperature after 5min, But the student who poured tea after 5min in cold milk, first his tea got some decrease in temperature and after that it is poured in cold milk which further decreased temperature.

So, the temperature of the cup of tea of first student is higher.

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