In a 20 story building with 3m floor to floor height, a passenger lift is hoisted by a steel rope. Weight of the lift car is 750 kg and ultimate load the steel rope can carry is 39,000 kg. Assuming a factor of safety of 20 for the steel rope and an average passenger weight of 75 kg, the passenger capacity of the lift is ____________

In a 20 story building with 3m floor to floor height, a passenger lift

1.	In a 20 story building with 3m floor to floor height, a passenger lift is hoisted by a steel rope. Weight of the lift car is 750 kg and ultimate load the steel rope can carry is 39,000 kg. Assuming a factor of safety of 20 for the steel rope and an average passenger weight of 75 kg, the passenger capacity of the lift is ____________
A.	12 to 12
B.	14 to 14
C.	16 to 16
D.	18 to 18
Answer» D. 18 to 18