MENU
Question -

From Goa to Bombay there are two roots; air, and sea. From Bombay to Delhi there are three routes; air, rail, and road. From Goa to Delhi via Bombay, how many kinds of routes are there?



Answer -

Given:

The number of rootsfrom Goa to Bombay is air and sea.

So, the number of waysto go from Goa to Bombay is 2C1

Given: The number ofroots from Bombay to Delhi are: air, rail, and road.

So, the number of waysto go from Bombay to Delhi is 3C1

Hence, the number ofways to go from Goa to Delhi via Bombay is 2C1 × 3C= 2× 3 = 6 ways.

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×