Work Power and Energy - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


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Question : 1

Hot water initially cools from 60 degree C to 50 degree C in 10 minutes and the next 10 minute it cools down to 42 degree C. The temperature of surroundings will be ---- degree C

Options :
  •  5
  •  15
  •  10
  •  25