How much glucose a man need eveyday

Q. If $150kJ$ of energy is needed for a man to walk a distance of $1km$, then how much of glucose one has to consume to walk a distance of $5km$, provided that only $30$% of the energy available for muscular work. (The enthalpy of combustion glucose is $3000kJ{mol}^{-1}$).

Q. 12 elephants in an elephant camp consumed 240 kg of jaggery everyday. If 3 more elephants were brought to the camp, how much more jaggery would be needed to feed them?

Q. 12 elephants in an elephant camp consumed 240 kg of jaggery everyday. If 3 more elephants were brought to the camp, how much more jaggery would be needed to feed them?

Q. If a cow gives '$l$' litres of milk everyday, how much milk will she give on February 2020 ?

Q. A shopkeeper sells 29 pizzas everyday. If one pizza costs ₹25, how much money does he make in a day?