Question

An Aeroplane has four emergency exits. In an emergency it requires 8 seconds per passenger to evacuate the plane, if the hand baggage is not carried by the passenger. How long will it take to eliminate 53 passengers in an emergency? a

Answer 1

Answer:

from each exit there will be 1 passenger evacuating.

so for 52 passengers it will take

52/4 ×8 =104 seconds

for 53rd passenger = 8 seconds

total time taken = 104 +8

= 112 seconds or 1minute 52 seconds.