1.

There are five different roads connecting Agra and Delhi. In how many ways a person cancomplete his journey if he goes from Agra to Delhi by one road and returns by another road ?

Answer»

Let the five roads as A B C D and E
Now WAYS are :-

ONE ROAD ANOTHER ROAD
A B
A C
A D
A E
B A
B C
B D
B E
C A
C B
C D
C E
D A
D B
D C
D E
E A
E B
E C
E D

THEREFORE,
20 ways to travel



Discussion

No Comment Found

Related InterviewSolutions