A container contains 50 gm of a liquid at `20^@C` 100 gm water at `100^@C` is added to it. If the final temperature of the mixture is `40^@C`. Find the specific heat of liquid

Options

A. 5 `cal//g^@c`
B. 6 `cal//g^@c`
C. 7 `cal//g^@c`
D. None of these

Answer

B