A camel is lost in the desert. It is not finding any food or water. It needs 9000 kilo calorie energy and 4 litre water daily. Its mass is 650 kg and 10% of its mass is fat. It has a water reservoir near its neck with a reserve of 312 litre water. It can live using its fat storage. 1g fat contains 9 kilo calorie energy. How long the camel can survive with it's reserve?

The correct answer to how long the camel can survive with its reserve would be 65 days.

First, let us calculate the total amount of energy derivable from the fat in the body of the animal:

Mass of the camel = 650 kgMass of fat = 10% of the total mass

              = 10% x 650 = 65 kg

If 1g of fat is equivalent to 9000 kilocalories of energy in the animal, then, 65 kg of fat would be equivalent to:

65 x 1000 x 9000   = 585,000 kilocalories of energy

The total amount of energy is 585,000 kilocalories and the total amount of reserved water is 312 litres:

Amount of energy required per day = 9000 kilocaloriesNumber of days 585,000 kilocalories of energy can serve = 585,000/9000

                                  = 65 days

Amount of water needed per day = 4 litresNumber of days 312 litres of water can serve = 312/4

                                                  = 78 days

The water reserve can last 78 days while the energy reserve can last 65 days. Since the camel needs both to survive, it means the animal can only survive for 65 days.

More about the camel can be found here:

There you go!!

Explanation:

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