A person of mass 70 kg wants to lose 5 kg by going up and down 10 m high stairs. He burns twice as much fat while going up than coming down. If 1 kg is burnt on expending 7000 kilocalories, the number of times he must go up and down to reduce his weight by 4 kg is
Text Solution
Verified by ExpertsThe correct answer is:
D
here, mass of man =70 kg, h=10 m, g= 
Number of kilocalories burnt while going up and down
Once 
Total number of kilocalories to be burnt for losing 4 kg of weight
Number of times the person has to go up and down the stairs 
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