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Equal masses of 3 liquids A,B and C have...

Equal masses of `3` liquids `A,B` and `C` have temperatures `10^@C, 25^@C` and `40^@C` respectively. If `A` and `B` are mixed, the mixture has a temperature of `15^@C`. If `B` and `C` are mixed, the mixture has a temperature of `30^@ C`. If `A` & `C` are mixed the temperature of the mixture is

A

`16^(@)C`

B

`20^(@)C`

C

`25^(@)C`

D

`29^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
A
m SA (15 – 10) = m SB (25 – 15) … (i)
m SB (30 – 25) = m SC (40 – 30) … (ii)
Find relation between SA and SC and solve.
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