A bread gives a boy of mass 40 kg an energy of 21 kJ. If the efficiency is 28%, then the height that can be climbed by him using this energy, is :

Morning breakfast gives 5000 cal to a 60 kg. person. The efficiency of person is 30%. The height upto which the person can climb up by using energy obtained from breakfast is

Morning breakfast gives 5000 cal to a 60 kg. person. The efficiency of person is 30%. The height upto which the person can climb up by using energy obtained from breakfast is

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficency is 28%. To what height he can jump by using this energy?

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 29% . To what height he can jump by using this energy?

Morning breakfast gives 5000 cal to a 60 kg person.The efficiency of person is 30%. The height upto which the person can climb up by using energy obtained from breakfast is

Morning breakfast gives 5000 cal to a 60 kg person.The efficiency of person is 30% .The height upto which the person can climb up by using energy obtained from breakfast is

A man of 60kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 56%. To what height he can jump by using this energy?

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 56%. To what height he can jump by using this energy?