Question

sameer missed his Air - indian flight scheduled to take off from sydney (Australia) at 10:00 hours which would reach Mumbai (india) at 20:30 hours .he checks for the next available flights. there are two flights that he could choose from , Singapore airlines at 12:30 hours and British Airways at 13:30 hours . now he wants to find out the maximum (hcf) and minimum (lcm) time he he would take to reach mumbai by checking the timings of both the flights . he is using prime factorisation method.Help him out with the same.

Answer 1

from this we get to know that it takes 10hours and 30minutes to reach Mumbai from Sydney.
So if sameer takes Singapore airlines, he will reach Mumbai at 10:30pm or 22:30hours.If he takes British airways then he will reach Mumbai at 11:30pm or 21:30hours.