Q174. A person "X" of 75 kg walks up a staircase in 15 s. Another person "Y" of mass 60 kg walks up the same staircase in 12s. The ratio of the power generated by "X" to that by "Y" is:Physics — Work, Power and Energy — Question 174 of 238A. 4/5B. 5/4C. 5/6D. 1Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →