One litre of water at 20 -is mixed with 1 litre of 40 - The temperature of the mixture will be -a 80 -b 200c More than 40 Cbut less than 70 -d Between 20 Qand 40

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Standard VII

Mathematics

Percentage of a Number

One litre of ...

Question

One litre of water at 20©is mixed with 1 litre of 40©.The temperature of the mixture will be :

a) 80©

b) 20©

c)More than 40©but less than 70©

d) Between 20©and 40©

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Solution

d) Between 20©and 40©

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One litre of water at 20©is mixed with 1 litre of 40©.The temperature of the mixture will be : a) 80© b) 20© c)More than 40©but less than 70© d) Between 20©and 40©

d) Between 20©and 40©

One litre of water at 20©is mixed with 1 litre of 40©.The temperature of the mixture will be :

a) 80©

b) 20©

c)More than 40©but less than 70©

d) Between 20©and 40©