arrow
arrow
arrow
If 2.5 I of hot water at 85°C is mixed with 4.5 I of cold water then the temperature of the cold water rises by 15°C when equilibrium is reached. Find
Question

If 2.5 I of hot water at 85°C is mixed with 4.5 I of cold water then the temperature of the cold water rises by 15°C when equilibrium is reached. Find the initial temperature (in °C) of the cold water assuming no heat is lost.

A.

25

B.

48

C.

43

D.

15

Correct option is C



test-prime-package

Access ‘RRB ALP Fitter’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
test-prime-package

Access ‘RRB ALP Fitter’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow