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A tap supplies water at 15^@C and anothe...

A tap supplies water at `15^@C` and another tap connected to geyser supplies water at `95^@C`. How much hot water must be taken so as to get 60 kg of water at `35^@C`?

A

15 kg

B

5 kg

C

10 kg

D

20 kg

Text Solution

Verified by Experts

The correct Answer is:
A
Let x kg of hot water is taken then, cold water is `60-xkg`.
Heat loss`=`heat gain.
`impliesx xxsxx(95-35)=(60-x)xxsxx(35-15)`
`x=15kg`
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