please solve the problem
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The heating value of a substance, usually a fuel or food, is the amount of heat released during the combustion of a specified amount of it. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions.
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Option B is the answer (i think), Because after calculation by the BODMAS rule the answer comes to be 71/40. I think there is a misprint in your book.
See to it please, Hope it helps champ :)
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